Board of Directors

Elizabeth Hall is the vice president of public policy and issues management at Elevance Health. Ms. Hall and her staff work closely with business unit leaders, senior executives, and internal subject matter experts to develop enterprise positions on federal and state legislation as well as federal regulations related to our core business. From 2010 – 2021, she served as the company’s vice president of Federal Affairs. Prior to joining Elevance Health, Ms. Hall served as the director of the Office of Legislation at the Centers for Medicare & Medicaid Services at the U.S. Department of Health and Human Services. She also worked for Sen. Bill Frist (R-Tenn.) in Congress. She has a bachelor’s in sociology from the University of Pennsylvania.

Mike Park is a partner in Alston & Bird’s Health Care Legislative & Public Policy Group. He has more than 20 years of health law and policy experience. He focuses his practice on representing health care providers, insurers, and manufacturers before Congress and the administration on a wide range of health care legislative and regulatory issues and also counsels clients in connection with congressional investigations. Before joining Alston & Bird, Mr. Park served as health policy counsel to Senator Charles Grassley (R-IA) during his tenure as Chairman of the Senate Committee on Finance, where he developed legislation on issues including Medicare payment policy, health information technology, and program integrity and conducted congressional investigations on public and private health care stakeholders. Mr. Park also served as a policy coordinator in the U.S. Department of Health and Human Services Office of the Secretary, as a project officer for Medicare payment demonstration programs at the Centers for Medicare & Medicaid Services, and as a health research analyst at the Center for Studying Health System Change. He currently serves as an adjunct faculty member at George Washington University’s School of Public Health. He received his bachelor’s degree from Connecticut College, his juris doctorate degree from Penn State Dickinson School of Law, and his master’s in public health from Columbia University.

Lisa Chimento is an experienced health care executive who brings more than 30 years of experience across the U.S. health care system. Ms. Chimento most recently served as senior strategic advisor to Circle Home Telehealth Services, a private equity-backed chronic care management company that acquired Precise Telehealth, Inc., a digital health start-up where she served the Chief Executive Officer and Chair of the Board of Directors. She recently served on the Council of Strategic Advisors of Wavemaker Three-Sixty Health, a venture capital fund focused on early-stage health care companies. Ms. Chimento is the former Chief Executive Officer of The Lewin Group, Optum’s government consulting and analytics business, where she led nearly 400 professionals in bringing innovative solutions to the most pressing health and health care issues facing government agencies today. She also played multiple roles in Optum/UHG, serving as Chief Product Officer of Optum Government (now known as OptumServe) and as the lead executive for Optum’s state health exchange remediation work in Maryland and Massachusetts. Ms. Chimento is an active member of her community and serves as the Secretary/Treasurer of Neighborhood Health, Northern Virginia’s largest Federally Qualified Health Center, and the Vice Chair of the Alexandria Public Health Advisory Commission. Ms. Chimento was formerly the Chair of the Board of the Northern Virginia Health Foundation and the Chair of the Alexandria Budget and Fiscal Affairs Advisory Committee. She earned her MBA at Yale University and her BA in Economics at the University of Virginia.

Adaeze Enekwechi is the Chief Executive Officer at Cayaba Care, a tech-enabled, women's health company focused on delivering wrap-around services for pregnant and postpartum women. Dr. Enekwechi is also an Operating Partner at WCAS, an investment firm focused on healthcare and technology companies. Prior to joining WCAS, she was the President of IMPAQ, LLC, a professional services firm that provided research, technical assistance, and advanced analytics services for government clients which she took through its acquisition in 2020. In addition to her private sector experience, she spent many years in federal policy roles at the Congressional Budget Office (CBO), the Medicare Payment Advisory Commission (MedPAC) and as the Head of Health Programs at the White House Office of Management and Budget (OMB) under President Obama. There she led policy, management and regulatory oversight across all federal health agencies and programs including the significant work to implement the ACA and drive payment innovations through CMS Innovation Center. Dr. Enekwechi serves on the boards of MedStar Health, Liberty Dental Plan, and the Alliance for Health Policy.

Vicky Gregg has a deep experience in health care ranging from direct patient care to her long tenure as a chief executive spans hospital administration, long-term care, and health care benefits and financing. Currently she is a co-founder of Guidon Partners, GP, LLC since November 2014. Ms. Gregg served as the chief executive officer of BlueCross BlueShield of Tennessee from January 2003 to December 2012. She served as market vice president for Humana in Kentucky, Ohio, and Indiana prior to joining BlueCross. Ms. Gregg was appointed by Senate Majority Leader Bill Frist to the National Institutes of Health Commission on Systemic Interoperability, served on the Boards of the BlueCross BlueShield Association and America’s Health Insurance Plans, including two years as Chair, the National Institute of Healthcare Management (NIHCM), and the Board of the University of Tennessee.

Demetrios L. Kouzoukas has deep experience in every health care sector and spanning business, law, and government. He is a partner at the Team8 Health venture foundry, a member of the Board of Directors of Clover Health, director of Paragon Health Institute’s Medicare Initiative, and a member of the American Medical Association Digital Medicine Payment Advisory Group. From 2017 to 2021, Kouzoukas served as the chief executive of the Medicare program at the Centers for Medicare and Medicaid Services (CMS). In that role, he worked with patients, policymakers, providers, insurers, and manufacturers to improve health care in the United States. Prior to joining CMS, Demetrios was a senior executive at UnitedHealthcare’s Medicare business. He has also served as Principal Associate Deputy Secretary and as Deputy General Counsel of the U.S. Department of Health and Human Services, working with every part of the Department’s portfolio. He has built innovative practices focused on new regulations and business models at two leading health care law firms. In addition, he has represented the public as an expert in public administration and health benefits as an appointee to the Administrative Conference of the United States.

Stephanie Quinn is senior vice president of external affairs and practice experience at the American Academy of Family Physicians where she oversees the AAFP Divisions of Government Relations, Practice Advancement, and Strategic Engagements. Prior to joining the AAFP, Stephanie Quinn was vice president of federal government affairs at CareFirst Blue Cross Blue Shield where she led the company’s federal legislative agenda on issues such as market stability, drug pricing policy, and social determinants of health. Before CareFirst, Stephanie was assistant director of congressional relations for the American Society for Radiation Oncology (ASTRO) and served as deputy director of federal government affairs for Horizon Blue Cross Blue Shield of New Jersey. Stephanie holds a combined degree in linguistics and Spanish from the Mary Washington College in Fredericksburg, Virginia.

As a healthcare executive, patient advocacy leader, and senior government official for more than three decades, Cynthia Rice has advanced numerous innovative initiatives to expand healthcare access, strengthen communities, and accelerate breakthrough therapies. Ms. Rice currently serves as Head of Patient Advocacy and Alliance Development for UCB, a global leader in neurology, immunology, and rare disease medicines. She previously served as Chief Mission Strategy Officer for JDRF, accelerating the development and access to life-changing breakthroughs for people with type 1 diabetes, and in the White House and U.S. Senate as a healthcare, budget, and social policy advisor. Ms. Rice has a master’s degree in public policy from the University of California at Berkeley and a bachelor’s degree from Harvard University.

Marc Samuels is founder and CEO of ADVI Health, a health care and life sciences advisory and consulting services firm headquartered in Washington, DC that helps clients accelerate growth, trailblaze innovation, and expand coverage of products and services. Marc also founded the firm’s life science accelerator, adviLAB, to invest in digital therapy, AI, MedTech, and cell and gene therapy clients in early stages of development. Marc has played a role in over 200 product and service projects over the last two decades from cell and gene, to rare and ultra-rare to oncology, and digital therapies. Marc has worked widely across the US health care system to improve regulatory and payer policy, promote appropriate clinical outcomes, and highlight the importance of the patient experience. Before founding ADVI, Marc was a partner in HillCo Partners, an Austin-based public affairs and advocacy company. He served both President George W. Bush and George H.W. Bush at the Texas Health and Human Services Commission, the Governor’s Policy Office, the Vice President’s Council on Competitiveness, and the White House Office of Policy Development, respectively. Marc began his career as an HIV researcher at the Midwest AIDS Behavioral Research Center in Ann Arbor. Marc speaks frequently on business strategy and policy matters. His comments and analyses have appeared in STAT News, The Pink Sheet, Fierce Healthcare, the Journal of Oncology Practice, Medical Economics, among other places. Marc earned his juris doctorate at the University of Texas, a master’s in public health from Yale School of Public Health, and a bachelor’s degree in neuropsychology from the University of Michigan. Marc is a visiting fellow at the Duke-Margolis Center for Health Policy, serves on the Board of Directors of NCCN Foundation, and is on the Advisory Board of the UCSF Rosenman Institute where he co-developed the Rosenman ADAPT and RISE programs, the later specifically created to advise and support founders from underrepresented groups to make the launch and scale of their health tech, digital or life science innovation as successful as possible.

Susan Turney, M.D., is the former CEO of Marshfield Clinic Health System (MCHS), and a nationally recognized physician administrator, leader and speaker on topics including rural health, strategic planning, executive management and external relations. Prior to her MCHS position, Dr. Turney was President and CEO of Medical Group Management Association (MGMA), the leading association for medical group practice administrators and executives, from 2011-14. She was CEO and Executive VP of the Wisconsin Medical Society from 2004-11. She is a Fellow in the American College of Medical Practice Executives (FACMPE), having earned that distinction in 2005. Her career in management was complemented by 22 years of service as an internal medicine physician at Marshfield Clinic, serving in education and leadership roles and as medical director for Patient Financial Services from 1995 to 2004. Dr. Turney, a native of Mellen, Wisconsin, graduated from Northland College, Ashland, Wisconsin; and the University of Wisconsin-Madison School of Medicine and Public Health. She completed her internal medicine residency at Marshfield Clinic/Ministry Saint Joseph’s Hospital, Marshfield, Wisconsin, and earned a masters degree in administrative medicine from UW-Madison.

Ladd Wiley leads the Public Policy team at Epic and is a member of Epic’s Board of Directors. Prior to joining Epic, Ladd was in private practice in Washington, DC working in health policy. He is an expert in the Senate confirmation process and has guided numerous cabinet level and agency heads through that process. Ladd has extensive experience in government leadership and health policy. He previously served as HHS’ Principal Deputy General Counsel and Counselor to the HHS Secretary. Before that, he was Chief Counsel to the Governor of Wisconsin.

M. Roy Wilson is the president of Wayne State University. Prior to joining Wayne State, Dr. Wilson served as deputy director for strategic scientific planning and program coordination at the National Institute on Minority Health and Health Disparities (NIMHD) of the National Institutes of Health (NIH). Previously, Dr. Wilson was dean of the School of Medicine and vice president for health sciences at Creighton University, president of the Texas Tech University Health Sciences Center, chancellor of the University of Colorado Denver/Anschutz Medical Campus and chair of the Board of Directors of University of Colorado Hospital. Dr. Wilson received his undergraduate degree from Allegheny College, a master’s degree in epidemiology from the University of California, Los Angeles, and a medical doctorate from Harvard Medical School.