Fall 2025 Conference Speaker Bios
Rebecca Adkins
Rebecca Adkins serves as senior vice president of enterprise population health at Jefferson Health in southeastern Pennsylvania. The Jefferson Enterprise includes Jefferson Health Plans, Thomas Jefferson University, and Jefferson Health. In this role, she leads value based transformation for over 750,000 lives across the health system. Rebecca manages over $160 million in value based revenue across 3 MSSP ACOs and 50 value based contracts in all lines of business. Rebecca joined Jefferson Health from Ascension where she served as national vice president of population health operations for 14 markets and 1 million lives. At Ascension, Rebecca built a national structure and operations model to manage a portfolio of over 200 value based arrangements, employee benefit lives, and 8 Medicare ACOs. Rebecca has over 20 years’ experience in healthcare working in direct to employer arrangements, telehealth, quality, community health and value based care. Rebecca is a current National Association of ACOs board member serving on the executive committee and is an adjunct professor with Thomas Jefferson University School of Population Health. Rebecca received her bachelors and masters of health administration from Indiana University.
Jennifer “Jen” Bailey
Jennifer “Jen” Bailey, DNP, RN, began her nursing career with Trinity Health in 1995 serving in acute and ambulatory settings in Battle Creek and Muskegon markets. In 2016 Jen transitioned to the Trinity Health system office and is currently serving as the director of ambulatory clinical operations, leading clinical and quality improvement programs across Trinity Health’s national footprint. She earned her associate degree in nursing from Kellogg Community College and bachelor, master, and doctoral degrees in nursing from the University of Detroit Mercy. Jen holds certificates in health system management and outcomes performance management from the University of Detroit Mercy and certified managed care nurse from the American Board of Managed Care Nursing. She is a member of the American Academy of Ambulatory Care Nursing.
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.
Katie Boyer
Katie Boyer is the senior director of policy and government affairs at Agilon Health, where she leads advocacy strategy, policy development, and serves as the primary liaison to policymakers and partners in Washington, D.C. She brings over 14 years of federal healthcare policy experience, including nearly nine years at Nemours Children’s Health, focusing on Medicaid innovation, value-based care, and telehealth. Her background also includes roles at HIMSS, NCSL, and the Indiana House of Representatives. Katie holds a BA in political science from Butler University and an MPPA from Northwestern University.
Tori Bratcher
Tori Bratcher is director of alternative payment models (APMs) for Trinity Health. She is responsible for the strategy and operations of Trinity’s national alternative payment models including being the ACO executive for the Trinity Integrated Care MSSP, one of the nation’s largest ACOs. Within the ACO, she is accountable for compliance, quality reporting, network management, and ACO governance. Ms. Bratcher works collaboratively with system and local physician and business unit leaders to drive population health and clinical integration success with the providers and practices across the system. Prior to her role at Trinity, she was the executive director of population health operations at Indiana University Health where she managed a portfolio of risk contracts and the teams that drove population health success. Ms. Bratcher graduated with a master’s in health administration from University of Illinois Chicago and bachelor’s in biology & pre-med from Indiana Wesleyan University.
Emily Brower
Emily Brower 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 health care 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 health care 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.
Kimberly Busenbark
Kimberly Busenbark is CEO of Wilems Resource Group and has served as the named compliance officer for more than 50 MSSP, NextGen and REACH ACOs since 2012. After beginning her career in Medicare Advantage compliance, Kimberly began working with ACOs during the first wave of the MSSP and spent the first three years of the program as the ACO compliance officer for Collaborative Health Systems’ 35 MSSP ACOs. She started Wilems Resource Group in 2014. Kimberly is a graduate of Texas A&M University where she received a bachelor’s of business administration in marketing and management, and of The University of Houston Law Center, where she received her juris doctorate before being admitted to the State Bar of Texas.
Sean Cavanaugh
Sean Cavanaugh is Aledade’s chief policy officer. Sean has previously served as the deputy administrator and director of the Center for Medicare at the Centers for Medicare & Medicaid Services. He was responsible for overseeing the regulation and payment of Medicare fee-for-service providers, privately-administered Medicare health plans, and the Medicare prescription drug program. Previously Sean was the deputy director for programs and policy in the Center for Medicare and Medicaid Innovation, where he was responsible for overseeing the development and testing of new payment and service delivery models, including ACOs and medical homes. Prior to that, Sean was director of health care finance at the United Hospital Fund. He has also served in senior positions at Lutheran Healthcare, the New York City Mayor’s Office of Health Insurance Access, and the Maryland Health Services Cost Review Commission. He attended the University of Pennsylvania and the Johns Hopkins School of Hygiene and Public Health.
Diwen Chen
As the Sr. 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 Sr. Director of Payment Model Development at Aetna/CVS, launching programs such as the next generation of commercial ACOs, Prospective Ortho bundled payments, and hospital at home/home recovery care programs to further extend the continuity of care into the home setting. 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, Medicare Shared Savings Programs, 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.
James Geracci, MD
James Geracci, MD, is a senior physician executive with extensive leadership experience in both civilian and military healthcare. He currently serves as the market chief medical officer for Village Medical. He most recently was chief clinical officer for Calibrate Health providing strategic and operational leadership over solution design, development, and delivery of digitally-enabled obesity management and metabolic healthcare. Prior to that he was CMO for Digital Health and Innovation and CEO of the virtual medical group for UHG’s Optum Health. He was market CMO with Ascension Healthcare Texas through the COVID-19 pandemic and previously served in various senior leadership roles in one of the world’s largest and most complex healthcare enterprises (the US Army). He retired as a colonel having led healthcare teams at all levels including as CMO for the military’s largest primary care department and in CMO roles at the Army Brigade, Division, and Corps levels. As prehospital director for the Department of Defense’s trauma system, senior capability developer for Army medicine, consultant to the Surgeon General for operational medicine, and as a member of the Department of Defense’s Tactical Combat Casualty Care Committee, he helped transform military medicine into a true learning healthcare system. His education includes degrees/certifications from Arizona State University, Uniformed Services University School of Medicine, Army Command and General Staff College, and both University of Pennsylvania/Wharton and University of Texas/ McCombs Schools of Business. Jim is certified by the American Board of Family Medicine and is a fellow of the American Academy of Family Physicians.
Mark Gwynne
President and Executive Medical Director for UNC Health Alliance, University of North Carolina’s Clinically Integrated Network of over 6000 employed and independent providers and 14 hospitals, Next Generation and MSSP Accountable Care Organizations, and Population Health Services Organization. Dr. Gwynne brings experience developing high value clinically integrated networks and data driven, value-based care delivery to complex patients across diverse geographic regions which have generated over $100M in new value revenue over the past three years. Dr. Gwynne is particularly interested in new alternative payment models designed to address the key driver of health outcomes, minimize health disparities and control costs across populations. He has significant experience in effectively integrating care between healthcare settings including ambulatory providers, hospital systems, post-acute partners and community-based organizations.
Board-certified in Family Medicine, Dr. Gwynne continues his patient care in the office and hospital and serves as an Associate Professor of Family Medicine at the University of North Carolina School of Medicine. He completed his residency and fellowship in Family Medicine and faculty development at the University of North Carolina at Chapel Hill where he remains on faculty.
Luke Hansen
Luke Hansen is the chief medical officer at Arcadia, a healthcare data platform company. He provides clinical and healthcare operational expertise to the company’s internal teams and builds relationships with external stakeholders, particularly clinical executives and clinicians at Arcadia’s customers. Before joining Arcadia, Dr. Hansen led the clinician organization for Homeward Health, a population health enablement company focusing on access and outcomes for rural Americans. He previously served at United Health Group as the Illinois market Medicare advantage chief medical officer and a senior medical director for population health at Optum. He has also held health system roles as a population health chief medical officer, including medical directorship over capitated risk-based contracts and a MSSP ACO. Dr. Hansen holds a bachelor’s degree in American studies from Yale College, a doctor of medicine degree from Loyola University Stritch School of Medicine, and a master’s degree in health sciences from Yale University School of Medicine.
Michelle Mirkovic
Michelle Mirkovic is an experienced healthcare leader with over 19 years of clinical and operational expertise, focused on transforming care models to improve outcomes, enhance resource efficiency, and advance the value proposition for patients and stakeholders. She has proven success in developing and executing regulatory strategy, care redesign initiatives, and performance improvement in complex healthcare environments.
Alyssa Neumann
Alyssa Neumann, MPH is director of federal affairs at the National Association of ACOs, working on a diverse portfolio of federal policy issues affecting accountable care entities and value-based payment arrangements. Alyssa leads NAACOS’ work on quality, primary care payment, patient engagement, and community partnerships, and supports the organization’s members with regulatory issues affecting participation in Medicare’s value-based programs. Having a longstanding focus on improving our health care system, Alyssa received a Master of Public Health in health policy and management from the George Washington University Milken Institute School of Public Health and Bachelor of Arts degrees in Anthropology and Sociology from the University of South Florida. In their spare time, Alyssa enjoys volunteering with the Big Brothers Big Sisters program, spending time with their dog and cat, and pursuing creative projects.
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.
Kavita Patel
Kavita Patel is a professor and inaugural director of the Stanford Biodesign Policy Program. She spends time advising startup companies and new ventures in health services and technology at New Enterprise Associates as a venture partner. Dr. Patel was previously a director of policy for The White House under President Obama and a deputy staff director to the late Senator Edward Kennedy, where she focused on pandemic preparedness and health care reform. Her prior research in healthcare quality and community approaches to mental illness have earned national recognition and she has published numerous papers and book chapters on healthcare reform and health policy.
Aisha Pittman
Aisha Pittman, MHP, 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.
Eloy Sena
Eloy Sena is the AVP of Value-Based Contracts and Operations at Ardent Health, where he oversees value-based contracting and operational performance for the enterprise portfolio of VBC contracts. He joined Ardent Health Services in 2018. Prior to this role, he served as the Director of Quality and later as the Division Director of Managed Care at Lovelace Health System. Eloy has a diverse background with nearly 20 years of experience in healthcare, including quality management and improvement, population health, network management, managed care contracting, provider engagement, pharmacy, value-based programs, alternative payment models, and medical management initiatives. Before joining Ardent Health, he led statewide provider engagement initiatives for Molina Healthcare of NM. Eloy holds a Bachelor’s degree in Health and Wellness Promotion from New Mexico Highlands University and an MBA with a concentration in Health Services from Keller Graduate School of Management.
Robin Shah
Robin Shah is the co-founder and chief executive officer of Thyme Care, the leading value-based cancer care partner, collaborating with payers and providers to transform the experience and outcomes for individuals living with cancer. Before launching Thyme Care, Robin was a founding member of OneOncology, where he served as the chief development and marketing officer, focusing on provider development, marketing, strategy, and technology/analytics. Prior to OneOncology, Robin’s passion for building a stronger future for community oncology brought him to Flatiron Health, a leading healthcare technology company. Robin served as vice president of provider marketing and strategy, where he focused on developing successful go-to-market strategies for patients and providers. Before joining Flatiron, he helped manage a comprehensive community cancer center in his hometown, Gettysburg, PA. Robin was instrumental in securing a strong future for the cancer center by restructuring the practice’s business operations, implementing leading technologies, and helping to build a robust research program, ultimately creating a better experience for patients in his community. Robin earned his bachelor’s degree in biomedical engineering from George Washington University and holds an M.B.A from the Carey Business School at Johns Hopkins University.
Tiara Swindell
Tiara Swindell is the senior director of ACO operations at Tandigm Health. She has devoted her career to improving the business of primary care. She has launched three ACOs and accomplished a seemingly impossible feat in American healthcare: enhancing outcomes while lowering costs. She got her start in primary care operations, where she designed programs to improve access. She has partnered primary care physicians with ophthalmologists to provide eye exams during primary care check-ups for patients with diabetes. She also briefly managed a hippotherapy center that used horses to help children with disabilities regain motor function. In 2021 Tiara joined Tandigm Health and led the Philadelphia-area company’s first ACO through the MSSP. Since then, she has launched two more ACOs, which have transformed how doctors provide care and how insurers pay for it. These arrangements support 60,000 patients and generate savings for Medicare, according to Tandigm Health.
Anna Taylor
Anna Taylor is passionate about transforming healthcare, one click at a time! As the associate VP of value based care, she leads innovative value-based initiatives and oversees the digital health ecosystem. Her mission is to leverage technology to enhance the care to our communities and streamline operations. Anna proudly chairs the HL7 DaVinci Steering Committee and serves as Secretary for SignalHealth ACO. With over 16 years at MultiCare, she has held diverse roles in learning and development, IT, strategy, and population health. She holds a B.S. in technical communication and an M.S. in clinical informatics from the University of Washington.
Jessica Walradt
Jessica Walradt serves as vice president, finance for value-based care contracting and performance at Northwestern Medicine (NM). Jessica oversees the negotiation, implementation, quality reporting, and performance monitoring for NM’s commercial and federal VBC contracts, which cover over 400,000 patients. During her tenure at NM, Jessica has led the performance strategy for MSSP as well as multiple Medicare bundled payment programs, which included clinical episodes for heart failure, sepsis, stroke, COPD, major joint replacement, and cancer. Prior to this, she led the Association of American Medical Colleges’ policy, advocacy, and data analytic efforts surrounding alternative payment models for approximately four years. She holds an MS in health policy and management from the Harvard School of Public Health and a BA in political science from the University of Richmond.