Board of Directors

Doctor Hart is a board certified family medicine physician in Ashland, Wisconsin. She received her medical degree from Wright State University Boonshoft School of Medicine, completed residency at St. Elizabeth’s Medical Center and has been in practice for more than 20 years.

Since moving to Wisconsin from Ohio in 2001, Dr. Hart started as the Secretary and then the President of the Ashland Bayfield Iron County Medical Society. She has had the privilege of being the District 8 Director for the past nine years. Dr. Hart has served as an alternate delegate to the HOD and has served on Reference Committees. She has also served on the Nominating Committee, the Membership and Executive Committees and most recently was elected to the PAC Board.

Dr. Hart has enjoyed working in a small community and has been involved in school activities including chaperoning grade school students in Ski School, hiking to the Sea Caves and even spending three days on Stockton Island (Apostle Island) for Island School in association with outdoor education associated with Northland College. Dr. Hart has also volunteered teaching art and German in the grade school. She attended the DNR’s Hunter’s Safety to learn about rifles and hunting. She has been involved in Community Theatre, the Chequamegon Area Choir, Our Lady of the Lake Choir and annual community concerts. Dr. Hart has served on the Board for the Washburn Cultural Center. She has also been the physician for a Boy Scout Camp and has volunteered with Book-Across-the Bay ski race across the frozen Chequamegon Bay to benefit the Washburn Library.

Doctor Lee is a board-certified internist and practices as an internal medicine hospitalist and physician advisor for Ascension Columbia St. Mary’s in Milwaukee, Wisconsin. He has served in several part-time leadership roles including Ascension Medical Group Wisconsin Medical Director for Quality and Safety, Hospital Based Care as well as President of the Columbia St. Mary’s Physician Network. He also served as Preceptor of the Clinical Apprenticeship Course while on faculty as a Clinical Assistant Professor at the Medical College of Wisconsin.

Born in Madison and raised in La Crosse, Doctor Lee graduated from Harvard College with a degree in government and economics. He received a medical degree from the University of Wisconsin School of Medicine and Public Health. He completed residency in internal medicine at Aurora Sinai Medical Center in Milwaukee followed by an MPH in Health Care Management at the Harvard School of Public Health.

Doctor Lee serves on the Wisconsin Medical Society (Society) Board of Directors, the WisMedPAC Board of Directors, and the AMA Delegation for the Society. He served as Wisconsin Medical Society RFS past Vice Chair, YPS past Chair, Council on Health Care Quality and Population Health past member, Nominating Committee past member, Council on Legislation past member, and past Co-Chair of District 1. He also served as Medical Society of Milwaukee County past Board member, past Membership Committee Chair, and past Finance Committee member. Doctor Lee also served as the American College of Physicians Wisconsin Chapter Hospitalist Committee Chair and Society of Hospital Medicine Wisconsin Chapter Treasurer.

In the community, Doctor Lee volunteers at a medical student-run free clinic in Milwaukee and serves as the past president and Board member of the Harvard Club of Wisconsin. He also serves as the Treasurer of the Reede Scholars, an alumni organization of the Commonwealth Fund Harvard University Fellowship in Minority Health Policy.

Dr. Michelle Graham is a board-certified family physician and a Fellow of the American Academy of Family Physicians. She received her M.D. from the University of Iowa and completed her residency training in a University of Iowa community-based residency program. She subsequently received additional training at Creighton University in fertility and from the University of California San Francisco in HIV Medicine with specialist certification by the American Academy of HIV Medicine. She has a Masters in Medical Education from the University of Iowa Carver College of Medicine and Lean Healthcare certifications from the University of Michigan and from the Virginia Mason Institute.

Dr. Graham has actively served on the Wisconsin Medical Society Board of Directors for almost 9 years, including the nominating committee, the membership committee, and the finance committee. She is currently the Co-Chair for District 1 and has also served in a variety of leadership roles for the Medical Society of Milwaukee County including as the Society’s Treasurer and President. She was instrumental in establishing the Medical Society of Milwaukee’s non-profit Foundation and served as its second President. Dr. Graham was the winner of the Erastus B. Wolcott physician of the year award on behalf of the Medical Society of Milwaukee County.

Recently, Dr. Graham was named as one of the Titan’s of Industry for Wisconsin, appearing as one of the 100 top CEOs and C-suite executives in the state.

She has had a long-standing commitment to her community in numerous leadership and service roles including serving on the Boards for Feeding America Eastern Wisconsin, the National Kidney Foundation of Wisconsin and historically, the Foundation for St. Francis and Franklin/Ascension. She has volunteered with Mr. Bob’s Under the Bridge, Habitat for Humanity, The Hunger Task Force, and Feeding Wisconsin. Dr. Graham has also served in multiple medical mission trips abroad including the Amazon in Peru, Mexico, Honduras, and working with Peace Corps in Togo, Africa.

Currently, Dr. Graham is a market chief medical officer for UnitedHealthcare’s Medicare division. She previously practiced full spectrum family medicine at an FQHC/Siouxland Community Health Center in Iowa followed by serving as an assistant residency director for the University of Iowa where she specialized in teaching women’s health/obstetrics. She subsequently served as a VPMA for legacy Wheaton Franciscan Healthcare/Ascension before she began her career with UHC.

Mr. Flesher was named Chief Executive Officer of the Wisconsin Medical Society (Society) and the Holdings Corporation in March 2022 by the Wisconsin Medical Society Board of Directors. As CEO, Mike is responsible for overseeing all facets of the organization and is focused on the Society mission to improve the health of the people of Wisconsin by supporting and strengthening physicians’ ability to practice high-quality patient care in a changing environment. His priorities include fostering members’ professional development, safeguarding physician health and wellness, encouraging health-system innovation and collaboration and advocating for members at the state and federal levels with regulatory agencies, private/public payers and other health related organizations. In this role, Mike serves as the primary liaison to the Society and the Society Holdings Board of Directors, maintains effective relationships with state and national organizations, and administers implementation of Board policies, positions, and initiatives.

As a proven leader in the global health care arena for more than twenty-five years, Mr. Flesher has a keen understanding of the complexity of the health care system and how best to develop and promote strong health policies and medical alliances. Prior to joining the Society, he was the CEO of the Iowa Medical Society (IMS) and at Pfizer Medical for fourteen years. While at IMS and Pfizer he focused on building enduring partnerships and collaborations with country, state and national medical societies to foster advocacy, research and education, all while maintaining an unwavering commitment to strengthening physician-patient relationships.

Mr. Flesher began his work in health care at the American Medical Association (AMA), where he served as field representative in Federation Relations and then later headed up the Residents and Fellow’s Division. Before the AMA, he held positions at the Organization for Economic Cooperation in Paris France, the Small Business Administration in Washington D.C. and the Xerox Corporation in the Midwest. He began his career working on several political campaigns in WI, MN and IA.

Mike is married, has two daughters, and enjoys exploring everything that the great state of Wisconsin has to offer.

A board-certified psychiatrist with added certification in psychosomatic medicine, Dr. Halverson is Chief Medical Officer for Rogers Behavioral Health based in Oconomowoc. He has been a member of the Society’s Board of Directors since 2010, has chaired the Society’s Council on Legislation and served as Society president from 2015 to 2016. He also has served as a delegate to the Society’s House of Delegates and as an AMA Delegate for the American Psychiatric Association. Doctor Halverson held leadership positions in the Wisconsin Psychiatric Association, including serving as president. He also serves on the American Psychiatric Association’s Council on Health System Financing as well as the Physician Member of the City of Madison and Dane County combined Board of Health. He has been honored for his leadership and advocacy by the Wisconsin Alumni Association with a “Forward Under 40” award and also received an Early Career Leadership Award from the American Medical Association Foundation and the Kenneth M. Viste, Jr., MD, Young Physician Leadership Award from the Wisconsin Medical Society Foundation. A graduate of the University of Wisconsin School of Medicine and Public Health (UWSMPH), Dr. Halverson is a clinical assistant professor of psychiatry at the UWSMPH and the Medical College of Wisconsin. He is past president of the Dane County Medical Society and currently holds dual membership in both the Dane County and Waukesha County Medical Societies.

Dr. Larson is Vice Chair of the Wisconsin Medical Society Board of Directors and Council on Legislation. He is a graduate of Northwestern University and the University of Connecticut School of Medicine. He completed his residency in Diagnostic Radiology at St. Vincent Hospital in Worcester, Massachusetts and a fellowship in Angiography and Interventional Radiology at the Medical College of Wisconsin. Dr. Larson was in private practice with Radiology Associates of the Fox Valley for over 30 years. He is a former member of the American College of Radiology Board of Chancellors and former Vice President of the American College of Radiology (ACR). In 2021, he received the Gold Medal of the ACR. He is a former President of the Wisconsin Radiological Society (WRS) and long-time member of the WRS Board. In 2018, he received the Flaherty Award for lifetime achievement from the WRS. Dr. Larson completed eight years on the Board of Trustees of the American Registry of Radiologic Technologists in 2022, including two terms as President.

Stewart Watson, MD grew up in Madison, Wisconsin and graduated from Dartmouth College, with a degree in Economics. He graduated from the University of Cincinnati College of Medicine and completed a residency in Emergency Medicine at the University of Chicago. Dr. Watson began his professional career in Chicago, where he served as faculty at the University of Chicago in the Department of Emergency Medicine and as an attending physician at Hinsdale hospital. He then moved to North Carolina, where he founded and served as CEO of an independent Emergency Medicine Physician staffing group.

Dr. Watson later returned to Wisconsin, where he worked for Ascension and SSM/Dean Medical Group, serving as an executive leader and Emergency Physician, leading both organization’s medical groups as President and CEO and serving as a regional Chief Medical Officer. His overall Emergency Medicine and Physician leadership career spanned 40 years including serving on and chairing the Wisconsin Medical Society Holdings Corporation Board of Directors.

In addition to his professional interests, he has four adult children, two of whom are physicians and one who serves as CFO of a national, physician owned staffing company. Dr. Watson’s personal interests are focused around traveling to spend time with grandchildren, children, and friends.