Spring 2026 Conference Speaker Bios
Ramsey Abdallah
Ramsey Abdallah is the assistant vice president of performance improvement and quality management for the Northwell Health ACO. His career has focused on quality improvement and population health management in large health systems. Currently, Ramsey leads the ACO data aggregation initiative seeking to meet CMS quality reporting requirements. He also serves as the project leader of the Ambulatory Quality Improvement Collaborative, a change management improvement framework transforming practices to achieve quality metric success. Ramsey holds an MBA in healthcare administration, is a fellow of the American College of Healthcare Executives, and holds certifications in quality, project management, and patient safety.
Rebecca Adkins
Rebecca Adkins is currently serving as senior vice president of population health at Jefferson Health. Jefferson includes Jefferson Health Plans, Thomas Jefferson University, and Jefferson Health. Jefferson Health provides over 5.6 million outpatient visits a year in Pennsylvania and New Jersey. Rebecca has over 20 years’ experience in healthcare working in telehealth, quality, community health and value based care. Rebecca received her bachelors and masters of health administration from Indiana University.
Mark Angelo
Mark Angelo is a practicing palliative medicine physician, professor of clinical medicine, and the inaugural chief medical officer of Population Health for Penn Medicine of the University of Pennsylvania Health System. In this role, Dr. Angelo creates and implements strategy for improving population-based outcomes in quality, patient experience, and efficiency for over 500,000 patients in value-based arrangements of all levels. Along with his team of collaborators at Penn Medicine, Dr. Angelo is currently implementing a novel, data-driven population health strategy using informatics and operational aspects of care in academic and community practices to create a successful platform for managing both ambulatory and inpatient value-based care programs. Dr. Angelo joined Penn Medicine from Delaware Valley ACO where he served as the president and CEO. In this role, Dr. Angelo helped to create a novel and durable strategy for value-based care, network management, payer relations, care coordination, and other clinical aspects of value-based care within Jefferson Health and Main Line Health Systems in collaboration with Humana. Prior to joining DVACO, Dr. Angelo was a physician leader within the Cooper University Health System where he served as the CEO and founder of the AllCare Health Alliance ACO and medical director for Population Health. At Cooper, Dr. Angelo maintained oversight of General Internal Medicine and Family Medicine while leading activities for the network of primary care providers surrounding strategy, growth, operations, and innovative models of care delivery.
James Barr
James Barr, MD, serves at Atlantic Health in northern New Jersey as chief medical officer of the Atlantic Health ACO and Optimus Healthcare Partners ACO. Expertise includes clinical data aggregation & mastering, AI analytics, delivering actionable patient insights at the point of care, precision patient care plans, performance improvement, and member & provider retention/growth. Dr. Barr has a long track record of success in managing physician engagement, clinical integration, patient-facing technologies, collaborative care models, and overall performance for 3,500 providers and 570,000 patients in value-based risk and non-risk arrangements. Special interests include behavioral, social, and spiritual health interventions, along with guiding change for providers, care teams, and patients.
Henish Bhansali
Dr. Henish Bhansali is a leader in value-based care (VBC), serving as the chief medical officer of Medical Home Network (MHN), where he leads VBC transformation for 350,000+ Medicaid and Medicare patients at FQHCs across eight states. Previously as VP and senior medical director of care navigation at Oak Street Health, he developed specialty and diagnostic care strategies including network sculpting and integrating e-consults for 100,000+ Medicare Advantage (MA) patients, across 22 states. In 2021, he joined Duly as senior VP of MA, managing a $840M budget for 90,000 full-risk MA and REACH patients, focusing on total cost of care, HEDIS/STARS performance, care model design and delivery, population health, and payor relationships. Dr. Bhansali has formal training in VBC from HBS, serves on the NAACOS Education Committee, is a fellow of the American College of Physicians, is a Presidential Leadership Scholar, and holds board certification in internal and obesity medicine. He is also an adjunct professor at the University of Illinois, teaching population health in their MHA program.
Vineesh Bhatnagar
Vineesh Bhatnagar, MD, serves as associate chief of staff for geriatrics at VA New Jersey Health Care System. He is the associate program director for Geriatric Fellowship Program at Rutgers New Jersey Medical School. Dr. Bhatnagar has qualifications in Internal Medicine, Geriatric Medicine and Palliative Care, actively involved in the care for elderly and End-of-life care. In his extensive professional career, Dr. Bhatnagar oversees one of the largest LTC facilities in VA. He started several community care programs at VA New Jersey like the Veterans Directed Care, Medical Foster Home and Home-Based Primary Care (Rural Health) program.
Tori Bratcher
Tori Bratcher serves as vice president of population health operations for Trinity Health. In this role, Tori has accountability for Trinity Health’s national alternative payment models encompassing $11B of medical expense for 2M lives in Medicare ACOs, Medicare Advantage, Medicaid and Commercial Alternative Payment Models. She also serves as the president for Trinity Integrated Care, one of the nation’s largest Medicare Shared Savings Program ACOs. She serves as the primary leader responsible for designing and delivering the critical services and operational activities required for performance in APMs. Trinity Health has been a top performer on quality and affordability in its MSSP and Next Generation ACOs. Tori joined Trinity Health from Indiana University Health, the largest academic health system in the state of Indiana, where she last served as executive director of population health services. In this role, she managed a portfolio of risk contracts while building and operating the capabilities required to achieve strong financial and clinical outcomes within population health for over 7 years. Tori received her BS from Indiana Wesleyan University and MHA from University of Illinois Chicago.
Emily Brower
Emily Brower is the CEO of NAACOS. Previously, she served as senior vice president of clinical integration and physician services for Trinity Health, one of the largest multi-institutional Catholic health care delivery systems in the nation, serving more than 30 million people across 22 states. In this role, she provided leadership and strategic direction within the evolving accountable healthcare environment, with an emphasis on clinical integration and transformation under alternative payment models. Ms. Brower joined Trinity Health from Atrius Health, where she last served as vice president of population health. Prior to Atrius Health, Ms. Brower spent fifteen years in operational, financial, and contracting leadership roles at Urban Medical Group, a Massachusetts non-profit healthcare organization specializing in the care of medically complex, chronically ill populations across a community-based, long-term care continuum. Ms. Brower received her BA from Smith College and MBA from the New York University Stern School of Business.
Genevieve Caruncho-Simpson
Genevieve Caruncho-Simpson is a national leader in Medicare and Medicaid strategy, value-based care transformation, and caregiver-inclusive models for high-need populations. A former Medicaid and D-SNP health plan CEO, she has led growth, margin performance, Stars strategy, and model-of-care innovation across major payer-provider organizations, including UnitedHealthcare, Humana, Texas Health Aetna, and Ascension Health. She currently serves as senior advisor to Family Caregiver Alliance and as co-architect of CareNav Health, a new dyadic care coordination operating layer powered by an FHIR-native dyadic case record and licensed home- and community-based navigation infrastructure. CareNav Health helps plans and providers meet emerging CMS requirements for dementia care, caregiver integration, and cross-system coordination. Genevieve is known for translating complex regulatory and market dynamics into scalable, operational solutions for Medicare Advantage, D-SNP, and integrated delivery systems. She advises health plans, PACE innovators, community-based organizations, and venture-backed healthcare companies on government programs strategy and care model redesign. She holds an MPA in health policy and management from NYU.
Noah Champagne
Noah Champagne is a principal and consulting actuary with extensive experience working directly with providers to facilitate risk arrangements, contracting discussions, and benchmarking analyses. Additionally, Noah works closely with ACOs (MSSPs, REACH ACOs, High Needs REACH ACOs, LEAD ACOs and others), MAPD plans, and individual Exchange clients to facilitate their pricing, projections, and budgeting.
Diwen Chen
As the senior director of payer policy, Diwen leads NAACOS’ work around accountable care arrangements across payers, identifying policy and sharing operational solutions that encourage adoption, growth, and success in value-based contracts across various lines of business. Diwen has 15 years of experience in value-based care and payment model design & implementation. Previously on the payer side, Diwen served as the staff VP of payment innovation, value-based solutions for Elevance Health and senior director of payment model development at Aetna/CVS. During her tenure on the provider side, Diwen served as the executive director, payment innovation at Dignity Health (now CommonSpirit Health) responsible for large-scale adoption of CMS Innovation demonstrations such as bundled payments, MSSP, and CA Medi-Cal program execution. Diwen currently serves as a managing director/advisor for Monarch Advisory Services, a boutique consulting firm supporting community-based organizations and risk-bearing entities focused on social health innovation for vulnerable populations. Diwen received her MPH in health care management from Yale School of Public Health and BS in biology from Texas A&M University.
Joyce Colton
Joyce Colton, RN, MSN, MPH currently serves as the national director of ACO Operations and Innovation at Ascension, a role she has held since joining the organization in 2022. In this capacity, Joyce supports 11 Medicare Shared Savings Program (MSSP) Accountable Care Organizations (ACOs) across eight states. She also leads national efforts related to the evaluation, application, and management of CMS Innovation Center programs for Ascension. Joyce holds a master of public health in health services management from UCLA, where she was part of a team that launched a medical home program for chronically ill patients at Los Angeles General Medical Center. She also served as a project manager at Kaiser Permanente, leading initiatives focused on IT implementation and patient safety improvements. After earning her master of science in nursing from Rush University, Joyce played a key role in clinical quality and practice transformation at Chicago Family Health Center and Rush University System for Health (RUSH). In 2017, she became manager of Value-Based Care at RUSH, overseeing participation in the MSSP, Oncology Care Model, and Bundled Payments for Care Improvement – Advanced. She also served as the organization’s ACO Compliance Official.
Franke Elliott
Franke Elliott is an accomplished healthcare executive with a diverse background across various healthcare industry segments (Physician services, Acute, Post-Acute, Payer). He works primarily at the intersection of healthcare delivery, financing, and innovation. His expertise is in strategic positioning, creating competitive advantage, and business development to achieve revenue growth and sustained value creation. Franke is a co-founder of Bloom Healthcare, where he serves as the company’s chief strategy officer, as well as the president for Bloom Health Network, Bloom’s wholly owned High Needs Population Accountable Care Organization participating in the ACO REACH Model. Franke is responsible for helping set the overall strategic direction of the company with a particular focus on revenue model transformation, growth, and sustainable value creation. Previously, Franke served as the chief managed care officer of Kindred Healthcare, Inc., senior vice president of business development for HealthSpring, Inc. (acquired by Cigna), and HCA Healthcare (NYSE:HCA). Franke also served on Board of Directors for Results Physiotherapy, and Curavi Health.
Robert Fields
Robert Fields, MD, MHA, is a family medicine physician and serves as the EVP, chief clinical officer at Beth Israel Lahey Health. In this role, Dr. Fields leads system efforts for quality and safety as well as the strategy and operations for primary care, behavioral health, system lab, pharmacy and home health including hospital at home. He also leads the 1115 Medicaid waiver response as well as all the system’s managed care and population health strategy. Dr. Fields began his career as an independent primary care physician with a particular emphasis on the care of underserved Latino patients in Western North Carolina. He was then recruited to Mount Sinai and ultimately became the chief population health officer with accountability over population health and managed care for the New York-based $9B health system. Dr. Fields serves on several boards including the boards of the Institute for Accountable Care and the Wake Forest Baptist Center for Healthcare Innovation. He has previously served as the Board Chair of the National Association of ACOs (NAACOS), the Board of America’s Physician Groups (APG) and Healthfirst. He has also been a member or chair for various national committees on quality and measure development for the National Quality Foundation and CMS. He earned his medical degree from the University of Florida College of Medicine and completed a Family Medicine Residency at the Mountain Area Health Education Center in Asheville, NC where he was Chief Resident. Dr. Fields earned his master of health administration from the University of North Carolina at Chapel Hill.
Wilson Gabbard
Wilson Gabbard is the vice president of Quality and Condition Management for Advocate Health, the 3rd largest not-for-profit, integrated health system in the United States and a national leader in population health. Mr. Gabbard joined Advocate in 2020 where he is responsible for CIN and medical group quality across over 2.3M value based lives and risk adjustment strategy for over $5 billion in system risk-based revenue. This includes responsibility for operationalizing programs for a portfolio of joint-ventures, fully delegated capitation, upside/downside risk, shared savings, and pay for performance contracts. Previously, Wilson spent seven years leading population health operations for UNC Health Care where he was responsible for strategy and operations during their transition from fee-for-service to value-based reimbursement. The UNC population health services team grew from two to over 200 team members during his seven-year tenure. Prior to joining UNC, he led regional operations for primary and specialty care practices and regional emergency and hospitalist service lines for Vidant Medical Group. Mr. Gabbard received his bachelor and master of business administration degrees from Morehead State University. He is a Fellow of the American College of Healthcare Executives (FACHE) and serves on the National Association of Accountable Care Organizations (NAACOs) Quality Committee.
Rick Goddard
Rick Goddard is the vice president, head of commercialization and strategy for Lumeris, an operating partnership company, that supports organizations where they are at in the journey to managing value-based care risk. Lumeris’ comprehensive value-based toolkit, experienced human capital, and technology services provide end-to-end support for our partners. As the Head of Commercialization and Strategy, Mr. Goddard serves in a subject matter expert and utility role across many facets of the business. His current role includes leading partnership strategic alliances, business model expansion, and go-to-market commercialization. Prior to joining Lumeris, Mr. Goddard served as an executive leader at Advocate Physician Partners. He led the Clinical Innovation Department with responsibility for population health analytics, ACO program administration (largest ACO in the U.S.), value-based payment and innovation strategy deployment. In addition, Mr. Goddard has several years of consulting leadership experience from his time at GE Healthcare Camden Group. He has also worked in a variety of healthcare provider settings − from physician groups to some of the largest health systems in the Country. Rick serves as a national thought leader in value-based healthcare strategy and frequently presents to higher education and association organizations.
Mark Gwynne
Mark Gwynne is the president of UNC Health Alliance and UNC Senior Alliance. UNC Health Alliance is UNC Health Care’s statewide, physician-led clinically integrated network, and is the primary vehicle created to transform health care delivery and alternative payment models on behalf of more than 5,000 providers, including community-based providers along with those employed by UNC Health Care’s affiliate entities. UNC Senior Alliance is UNC Health Care’s physician-led Medicare accountable care organization (ACO). Dr. Gwynne is also an associate professor of family medicine at the UNC School of Medicine. He is interested in new models of healthcare delivery in the primary care setting, transitions of care between health care settings, quality improvement and innovative models of care within the Patient Centered Medical Home.
Adam Hearn
Adam Hearn is a data scientist at Milliman specializing in explainable AI solutions. With deep expertise in Medicare and Medicaid fraud, waste, and abuse (FWA) detection, Adam was the lead scientist behind the winning solution for the CMS “Crushing Fraud Chili Cook-Off Competition.” Adam works closely with agencies and healthcare organizations to build transparent, auditable, and compliant AI solutions that support program integrity efforts.
Erin Hurlburt
Erin Hurlburt, MD, serves Lumeris as the chief medical officer for Population Health Services. In this role, Dr. Hurlburt uses her passion for clinical transformation to help health systems and physician groups across the country deliver on the promise of value-based care for their patients and providers. Prior to joining Lumeris, Dr. Hurlburt held a series of progressive executive leadership roles at Bon Secours Mercy Health, one of the largest health systems in the Midwest and Mid-Atlantic regions.adults.
Amanda Larschan
Amanda Larschan serves as the chief performance officer at Palm Beach Accountable Care Organization (PBACO), where she oversees enterprise-wide performance, quality, and practice improvement across all value-based care contracts. With nearly 12 years of experience in the ACO space, she joined PBACO in 2014 as a data analyst and progressed into senior executive leadership. In her current role, Amanda leads quality reporting and performance analytics across Medicare and commercial programs, translating complex regulatory requirements into actionable insights that support providers, improve outcomes, and strengthen financial performance. She is recognized for bridging data, operations, and provider engagement. Amanda holds degrees from the University of Florida and Florida Atlantic University and is a certified project management professional.
Nick Lefeber
Nick Lefeber leads Total Cost of Care for Blue Cross Blue Shield Rhode Island. In this role, he oversees a broad portfolio of functions essential to advancing affordability and clinical performance, including Medical Economics, Value-Based Care, Population Health, Clinical Affairs, Behavioral Health, and Care Management. Previously, he worked for DaVita, where he served as vice president of commercial value-based care. In eight years with DaVita, Lefeber led commercial value-based care strategy, operations, and analytics and designed new payor provider partnership models and innovations. Prior to DaVita, Lefeber spent three years in Nashville, TN, and London, UK, with Sarah Cannon Research Institute, a global leader in oncology research. He earned his MBA from the Tuck School of Business at Dartmouth and his undergraduate degree from Middlebury College.
Natalie McGann
Natalie McGann, DO, is a board-certified family physician with a longstanding commitment to community-based care and clinical leadership. She currently practices at TriValley Primary Care in Telford, PA, where she also serves as a shareholder and holds key leadership roles, including executive committee member and clinical chair of strategy & operations. Dr. McGann earned her Doctor of Osteopathy from the Philadelphia College of Osteopathic Medicine and completed her Family Practice Residency at Abington Memorial Hospital, where she was named Chief Resident. Following her residency, she joined the Abington Family Medicine Residency Program as a faculty member, contributing to resident education from 2010 to 2014. Her leadership extends beyond clinical practice. Dr. McGann serves as Chairperson of the Grand View Healthcare Partnership and as Medical Director for Tandigm Value Partners. In these roles, she focuses on value-based care initiatives and population health management, consistently demonstrating a deep commitment to improving care delivery, fostering physician collaboration, and driving strategic improvements across the healthcare continuum.
Kevin McNeill
Kevin McNeill, MD, is a board-certified family physician with extensive experience in clinical practice and medical education. He earned his medical degree from UMDNJ-New Jersey Medical School and completed his residency at Overlook Family Medicine Residency Program in Summit, New Jersey. He earned his MHA degree from Seton Hall University this past August. Dr. McNeill has worked with medical students and residents throughout his career and currently serves as a continuity care site preceptor for the LVPG Family Medicine Residency Program. Dr. McNeill is an assistant clinical professor at USF Morsani College of Medicine and was a faculty coach for the USF SELECT Program. His professional roles at LVHN include membership on the Medical Executive Committee, co-chairing the Opioid Stewardship and Linkage to Treatment Committee, and participating in the Advanced Care Planning Steering Committee. He is the medical director of the LVHN ACO and serves as chair of the quality committee. He is an associate medical director for Valley Preferred/LV PHO. His work with the LVPHO includes supporting clinician members on population health and value-based care performance where he organizes educational sessions, conducts outreach, and chairs the Provider Communication Committee.
Robert Millette
Robert Millette is a healthcare executive, board partner, in enterprise level transformation. Focused on Population Health, Primary and Specialty Care Integrated Services, High Performance Network Building, and Payor Contracting. Robert’s passion is aligning healthcare organizations operations, clinical integration, capital investments, and payor relationships in a value-based approach, to drive quality and affordability throughout the system. He is an expert in Direct to Employer, DSNP, Medicare Advantage, ACO’s, Medicaid and Commercial 2-sided risk/capitated model contracts, implementing strategies, MSO services, and clinical tactics leading to performance in patient outcomes and quality-based reimbursement. Finance lead by training, with deep analytics, hospital and medical group operations, technology integration, lean process improvement, and contract negotiation experience.
Stephen Nuckolls
Stephen Nuckolls is the chief executive officer of Coastal Carolina Health Care, PA, and its ACO, Coastal Carolina Quality Care, Inc. His responsibilities include the direct management of the 60 provider multi-specialty physician-owned medical practice and its ACO. They currently participate in the MSSP’s Enhanced Track and have value-based contracts with Medicare advantage as well as commercial plans. The group has a large primary care base and their operations include an ambulatory surgery center (GI endoscopy), sleep lab, urgent care, and imaging center and 13 other practice locations. Mr. Nuckolls facilitated the formation of the group in 1997 and has served in his current role since that time. Prior to the formation of this organization, Mr. Nuckolls helped guide physicians and integrated hospital organizations in the formation of larger systems. Mr. Nuckolls earned his BA in economics from Davidson College and his MAC from UNC’s Kenan-Flagler Business School. He is a founding member of the National Association of ACOs and served in a number of roles on the executive committee including board chair from 2016-2017. In addition to these responsibilities, he serves on the board of Community Care of NC as well as several advisory boards and committees for the North Carolina Medical Society and is a frequent speaker on ACOs and related topics.
Ashish Parikh
Ashish Parikh, MD, is the chief population health officer at Village MD-Summit Health. Ashish is responsible for developing strategies for delivery of the highest quality of care with a focus on value through reduction in practice variation, evidence-based clinical care delivery, population health management, as well as provider and patient engagement across all VillageMD and Summit Health practices. Prior to joining Summit Health, Ashish was the senior health and quality advisor at IBM and the internal medicine residency program director at Saint Barnabas Medical Center.
Aisha Pittman
Aisha Pittman, MPH, is the senior vice president of government affairs at the National Association of ACOs. In this role, Ms. Pittman leads NAACOS’ advocacy and thought leadership, promoting policies that will accelerate the adoption of value and highlighting the importance of provider-led transformation through value-based. She has over 20 years of experience in health care with a focus on payment, alternative payment models, and quality. Ms. Pittman was previously vice president of policy with Premier, Inc., a group purchasing organization representing health systems. She was responsible for working with policymakers, providers, and other health care stakeholders to reduce costs and improve the quality of health care. Prior to Premier, Pittman held senior management roles with the National Quality Forum, the Maryland Health Care Commission and CenterLight Healthcare, in addition to experience at the NCQA She holds a bachelor of science in biology, a bachelor of arts in psychology, and a master of public health from The George Washington University. Ms. Pittman received GWU’s School of Public Health and Health Services Excellence in Health Policy Award.
Timothy Puri
Timothy Puri, MD, is the chief medical officer for Population Health at Curana, a healthcare services and technology organization supporting over 200,000 seniors annually across more than 2,000 communities in over 30 states. Curana operates at enterprise scale across complex, multi-vendor healthcare environments and has been recognized as one of the fastest-growing healthcare companies in the country. Dr. Puri is a practicing physician and clinical operator, alumni of Stanford Graduate School of Business, with hands-on experience leading large-scale population health and value-based care programs. His work sits at the intersection of clinical care, data, and operations, with a focus on translating analytics and AI into trusted, in-workflow action that clinicians actually adopt at scale.
Gene Quinn
Gene Quinn is a practicing cardiologist and the chief executive officer of Envoy Integrated Health – a clinically integrated network of independent Alaskan physicians and the first locally-based ACO in Alaska. Dr. Quinn received his medical degree from the University of Washington, completed internal medicine residency at the University of California, San Francisco, then completed fellowships in cardiovascular disease, advanced cardiovascular imaging, and patient safety and quality at Harvard Medical School and the Beth Israel Deaconess Medical Center. He holds a master of public health degree from the Harvard School of Public Health with a concentration in public health leadership. Dr. Quinn also currently serves as a board member for healtheConnect, Alaska’s statewide health information exchange, and on the Board of Governors for MIEC, a multi-state professional liability and malpractice insurance company that serves the majority of Alaska’s physicians. His work has focused on building the infrastructure to support coordinated, high quality, value-based care in Alaska.
Arshad Rahim
Arshad Rahim is the chief medical officer and senior vice president for population health for Mount Sinai Health System and the Mount Sinai Clinically Integrated Network. He has spent the last 9 years driving value-based care transformation and contract success in greater New York City for 500K managed lives, including 200K with downside financial risk, and 6000 providers in the CIN. He oversees clinical operations to drive value-based care outcomes and contracting with public and private payers. He is a practicing primary care internist and hospitalist at Mount Sinai Health System. He is also on the board of directors for America’s Physician Groups (APG) and NAACOS. Dr. Rahim has over 25 years of healthcare industry leadership experience at innovative organizations including as vice president of quality improvement and UM for Lumeris; a group vice president of quality improvement and innovation at Healthgrades; and a director at Sg2 (now part of Vizient).
Megan Reyna
Megan Reyna, MSN, RN, ACRN serves as chief operating officer, Population Health, at Bon Secours Mercy Health. In this role, she is responsible for the performance of our Accountable Care Organizations/Clinically Integrated Networks, recruiting participating primary care providers and increasing new Medicare lives into our value-based programs. Megan is an established clinical health care executive with over 18 years of experience in operations and value-based care. She joined BSMH from Advocate Health (previously known as Advocate Aurora Health), where she served as the group vice president in Population Health. Megan was accountable for assisting her organization in achieving national quality and value-based care outcomes. Her work and influence has spanned many states, services lines, hospital sites, and more. She received her bachelor’s degree in nursing with honors from Marquette University and a master’s degree in nursing administration with honors from the University of Illinois at Chicago. Megan has been a speaker and panelist at numerous national conferences, and featured in various trade publications, discussing topics including ACOs, value-based care, digital quality reporting, the primary care landscape and health equity. She currently serves on the board of directors for the National Association of ACOs (NAACOS) and is a pre-rule making committee member on the Partnership for Quality Measurement (Battelle).
Tamra Ruymann
Tamra Ruymann currently serves as the chief of digital health for PSW (Physicians of SW Washington). Tamra brings 30 years of experience in the payer setting with comprehensive experience in claims management, medical risk adjustment, quality data reporting and project management. In her 15 years at PSW she has overseen data management, analytics and business intelligence and clinical interfacing as well as led the development of PSW’s customized population health platform. Early in her career, Tamra worked at the Washington State Department of Labor & Industries where she was responsible for the implementation of a comprehensive imaging system that supported multiple business units with both internal and external facing applications. Her tenure at PSW has included overseeing the Claims team, the Information Technology department, which included data management and analytics and the Quality and Risk Adjustment team. Tamra holds a master of business administration in healthcare management and a bachelor of Science in health informatics. Tamra also serves as the treasurer of Valley View Health, a Federally Qualified Health Center in Washington State.
Tesha Simpson
Tesha Simpson is a seasoned healthcare executive with more than two decades of experience leading complex healthcare delivery organizations. She currently serves as chief executive officer of Millennium Healthcare, a role she has held for the past year, guiding the organization through a period of growth, integration, and strategic transformation. Prior to joining Millennium, Tesha most recently served as chief executive officer of Guidelight Health, a national mental health provider she co-founded in 2023. Before that, she was chief operating officer of AMSURG, a nationally recognized organization specializing in ambulatory surgery center services. Earlier in her career, Tesha led enterprise strategy and operations across multiple care delivery channels as chief operating officer for both JSA Healthcare (a DaVita Medical Group company) and Optum Florida. She also held several clinical quality and performance improvement leadership roles with Morton Plant Mease and Evergreen Manor, grounding her executive leadership in hands-on clinical and operational experience. Tesha earned her doctor of nursing practice, master of science in nursing, and bachelor of science in nursing from the University of Florida.
Kevin Spencer
Kevin Spencer, MD, is the national chief medical officer for Millennium Physician Group, a national, primary care–focused organization, and a nationally recognized physician executive in value- based care. He has served as both CEO and lead physician of a 60-provider primary care organization and founded the first physician-owned, physician-led Medicare ACO in Austin, Texas. Dr. Spencer led his organization’s transition into Millennium Physician Group as its first acquisition outside of Florida, helping establish the model for national growth. Previously, as chief clinical officer at agilonhealth, he played a pivotal role in launching 35 markets nationwide, leading physician engagement and driving clinical and financial performance at scale. Dr. Spencer is passionate about building physician-led organizations that deliver better outcomes, sustainable economics, and meaningful transformation across the healthcare ecosystem.
Tyler Tracewski
Tyler Tracewski is vice president, value based programs at Astrana Health. In this role, he is responsible for the centralized operations, strategy, and growth of Astrana’s ACO business, including 5 ACOs, 75k lives, $1.3B of at-risk medical expense, and $60M in shared savings annually. Previously, he led the National operations team at Collaborative Health Systems, a Centene Company focused on Value Based Care. Prior to that, he had a 15-year career in management consulting, assisting clients with strategic, financial, and operational strategy and execution. He served an array of provider side clients including hospitals, physician groups and networks, accountable care organizations, the federal government (e.g. Veteran Health Administration), and academic medical centers and faculty practices, among others. Tyler earned his MBA from the Isenberg School of Management at the University of Massachusetts and his undergraduate degree in healthcare management from the University of Connecticut.
Brandon Webb
Brandon Webb, MD, serves as chief medical officer for OneHealth Nebraska ACO. In this role, Brandon supports 29 independent member primary care clinics in the Lincoln, Nebraska area to achieve quality and cost metrics over multiple value-based contracts including MSSP, commercial ACO, and MA plans. He also assists with policy and negotiations between OneHealth Nebraska and payers, health systems, and other physician leaders. Brandon’s background includes 26 years as a practicing family physician and owner of his multi-site independent practice, Primary Care Partners. Brandon is the president and senior partner of Primary Care Partners and serves as their lead physician for value care. He is a fellow of the American Board of Family Medicine and serves on the Nebraska Medical Association Board of Directors. He was also appointed by the governor to the Nebraska Primary Care Investment Council in 2024. Brandon is a proud graduate of Baylor University in Waco, TX and McGovern Medical School in Houston, TX.
