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AAMC Leadership Team

Darrell G. Kirch, M.D.
President and Chief Executive Officer

Darrell G. Kirch, M.D.

President and chief executive officer of the Association of American Medical Colleges (AAMC), Darrell G. Kirch, M.D., speaks and publishes widely on the need for transformation in the nation’s health care system and how academic medicine can lead that change across medical education, medical research, and patient care.

Dr. Kirch became AAMC president in July 2006, following six years as senior vice president for health affairs, dean of the college of medicine, and CEO of the Milton S. Hershey Medical Center at The Pennsylvania State University. Prior to Hershey, he served at the Medical College of Georgia from 1994 to 2000, lastly as senior vice president and dean of the school of medicine.

Dr. Kirch received his B.A. and M.D. degrees from the University of Colorado, and completed his residency training in psychiatry at the University of Colorado Health Sciences Center. He was elected to the Institute of Medicine of the National Academies in 2007.

Diana Bourke
Chief Operating Officer

Bourke 100x137

Diana Bourke became the AAMC’s chief operating officer in 2016 after serving as chief information officer since 2013.

She joined the AAMC in 2013 to lead the association’s information technology operations following more than 30 years of IT leadership with public and private companies in financial services, data collection, and health care services.

Prior to joining the AAMC, she was senior vice president service operations and technology for LifeCare, Inc. She graduated summa cum laude and Phi Beta Kappa from the University of Notre Dame.

Gabrielle V. Campbell, M.B.A., L.L.M.
Chief Services Officer

Gabrielle V. Campbell, M.B.A., LL.M.

In her role as chief services officer, Gabrielle V. Campbell oversees the AAMC service programs, including the American Medical College Application Service® (AMCAS®), the Electronic Residency Application Service (ERAS®), the Visiting Student Application Service® (VSAS®), and the Medical College Admission Test® (MCAT®) exam. She also leads the association’s business strategy to drive strategic innovation of the service programs in alignment with the AAMC’s mission.

Ms. Campbell joined the AAMC in 2005 to lead the Association's business development. Previously, she held positions in university technology transfer, a start-up biotechnology firm and laboratories in the Unites States and Hungary. Ms. Campbell holds a B.A. in biology from the University of Pennsylvania, an M.B.A. from the University of Washington, and an L.L.M. from the University of Edinburgh. She was a Robert Bosch Foundation Fellow in Germany from 2000-2001.

Constance M. Filling
Chief Learning Officer


Constance M. Filling leads the AAMC’s learning and leadership unit, providing AAMC members the education, training, research, and clinical care models to succeed in the newly emerging health care environment. Her team is responsible for learning and leadership development programs, member group opportunities, and Learn Serve Lead, the AAMC Annual Meeting.

Ms. Filling has more than 20 years’ experience in leading professional educational activities, including all facets of performance consulting in both commercial and not-for-profit organizations. Prior to joining the AAMC, Ms. Filling served as chief education officer for the American Academy of Orthopaedic Surgeons and the College of American Pathologists. She earned her B.A. from Cornell College and her M.A. from the University of Chicago.

Karen Fisher, JD
Chief Public Policy Officer

Karen Fisher

Karen Fisher, JD, leads the AAMC’s public policy initiatives on medical education, health care delivery and medical research, providing strategic guidance to advance the association’s legislative and regulatory priorities and developing policy proposals that support the work of academic medicine.

One of the nation’s leading experts on Medicare, Ms. Fisher has more than 20 years of experience in legislative and regulatory health care policy. Most recently, she served as senior health counsel for the Senate Finance Committee where she played a key role in drafting the Medicare Access and CHIP Reauthorization Act of 2015 and the new Medicare physician payment system. She also served as lead adviser on other Medicare concerns and health care policies. Before moving to the Senate, Ms. Fisher spent almost a decade as senior director in health care affairs at the AAMC after serving as senior health policy analyst and general counsel for the Prospective Payment Assessment Commission—the precursor to the Medicare Payment Advisory Commission (MedPAC).  

Ms. Fisher earned both her pharmacy and law degrees from the University of Pittsburgh.

Atul Grover, M.D., Ph.D.
Executive Vice President

Atul Grover, M.D., Ph.D.

In his role as executive vice president, Atul Grover, M.D., Ph.D., provides strategic leadership in the areas of medical education, academic affairs, health care affairs, scientific affairs, learning and leadership programming, diversity and inclusion, public policy, and communications.

Dr. Grover joined the AAMC as associate director for the Center for Workforce Studies in 2005, where he managed research activity and directed externally funded workforce studies. He became a director of government relations and health care affairs in 2007, and served as the association’s chief public policy officer from 2011-2016.

Previously, Dr. Grover held positions in health care finance and applied economics consulting as well as in the U.S. Public Health Service, Health Resources and Service Administration National Center for Health Workforce Analysis.

Dr. Grover received his M.D. from George Washington University (GWU) School of Medicine and his Ph.D. in health and public policy from Johns Hopkins University Bloomberg School of Public Health. Dr. Grover holds faculty appointments at GWU School of Medicine, and JHU Bloomberg School of Public Health.

Bernard K. Jarvis, M.B.A., C.P.A.
Chief Financial and Administrative Officer

Bernard K. Jarvis, C.P.A.

In his capacity as chief financial and administrative officer, Bernard K. Jarvis, M.B.A., C.P.A., oversees all financial operations of the association, which include the accounting, business services, and financial systems and budget units. In addition, he is responsible for human resources and the association’s meeting and member and constituent services functions. As the association's financial steward, Mr. Jarvis ensures that the association has adequate resources with which to carry out its mission. He also is responsible for the AAMC operating and capital budgets, and the investment portfolio.

Mr. Jarvis brings experience with local government, university administration, nonprofit organizations, and private banking to his role at the association. Previously, he held executive positions the Joint Center for Political and Economic Studies, U.S. Trust Company, NA, The Summit Charitable Foundation, Howard University, the District of Columbia's Department of Human Services, and Ernst & Young. He earned his M.B.A. from The Wharton School of the University of Pennsylvania and his B.A. from Morehouse College. Mr. Jarvis is a certified public accountant.

Yvonne Massenburg
Chief Human Resources Officer

MassenburgAs chief human resources officer, Yvonne Massenburg leads human resources for the AAMC’s more than 600 employees, overseeing talent management, leadership development, compensation and benefits, employee relations, and other HR functions. She rejoined the AAMC in 2015 after previously serving as director of talent management from 2012 to 2013.

Ms. Massenburg has more than 20 years of professional experience. For most of her career, she has worked in human resources management, leading HR functions and strategic organizational initiatives such as employee engagement and organizational redesign, specializing in organizational development and talent management. She has also worked in consulting, marketing and sales. Before rejoining the AAMC, Ms. Massenburg served as head of human resources for Bates White LLC, and previously held leadership positions at Abbott Laboratories, Eli Lilly & Company, PricewaterhouseCoopers, and TRW Inc. She earned her B.A. from Hampton University and her M.B.A. from Purdue University.

Marc Nivet, Ed.D., M.B.A.
Chief Diversity Officer

Marc Nivet, Ed.D.

In his role as chief diversity officer, Marc Nivet provides strategic vision for all AAMC diversity and inclusion activities through his leadership of the Association's Diversity Policy and Programs department, which focuses on initiatives designed to increase diversity in medical education and advance health care equity. Dr. Nivet and his staff are responsible for analyzing policy and regulatory activities related to diversity and inclusion, assisting medical schools and teaching hospitals with their diversity goals, and serving as liaison for diversity initiatives to membership organizations, government entities, and other health organizations.

Prior to joining the AAMC, Dr. Nivet served as chief operating officer at the Josiah Macy, Jr. Foundation, where he oversaw the day-to-day operations of the foundation, and as special assistant to the senior vice president of health at New York University. Previously, Dr. Nivet was president of the National Association of Medical Minority Educators, Inc., and adjunct professor in the School of Education, Health, and Human Services of Hofstra University. Dr. Nivet holds an Ed.D. degree in higher education management from the University of Pennsylvania Graduate School of Education and an M.S. degree in higher education and student development from Long Island University, C.W. Post Campus. Dr. Nivet earned his B.A. degree in communications studies from Southern Connecticut State University.

Alexander Ommaya, DSc
Acting Chief Scientific Officer

ommayaheadAlexander Ommaya, DSc, directs the AAMC's array of programs that support all aspects of research and training. Dr. Ommaya also represents the AAMC nationally on issues related to research and science policy, administration, workforce development and education and training.

He joined the AAMC in November 2012 as senior director of clinical effectiveness and implementation research.  In this role, he is responsible for linking the research enterprise to clinical care and creating strategic alliances between U.S. medical schools and teaching hospitals.  Prior to joining the AAMC, Dr. Ommaya held positions with the Department of Veterans Affairs, Institute of Medicine, Blue Cross and Blue Shield, Agency for Healthcare Research and Quality, and the U.S. Senate where he was a Health Policy Fellow.  He also has served as a senior researcher for the Defense and Veteran’s Brain Injury Program, and as a senior biologist at the National Institutes of Mental Health. Dr. Ommaya received his Doctoral degree in Health Policy and Management from Johns Hopkins University; a Master’s degree in Biopsychology from Mount Holyoke College; and his bachelor’s degree in Philosophy from Vassar College.

Janis M. Orlowski, M.D., MACP
Chief Health Care Officer


As chief health care officer, Janis M. Orlowski, M.D., MACP, focuses on the interface between the health care delivery system and academic medicine, especially how academic medical centers can leverage their expertise in research and innovation to support emerging reforms. She leads several AAMC groups, including the Council of Teaching Hospitals and Health Systems, which represents the interests of approximately 400 major teaching hospitals and health systems, including 64 Veterans Affairs medical centers.

Dr. Orlowski joined the AAMC after serving as the chief operating officer and chief medical officer of MedStar Washington Hospital Center, Washington, D.C. From 2004-2013, Dr. Orlowski oversaw the medical staff, clinical care, quality, patient safety, medical risk, perioperative services, ambulatory care, and medical education programs.

Prior to MedStar Washington, she served as associate vice president and executive dean of the Rush University Medical School in Chicago. Dr. Orlowski earned her B.S. degree in biomedical engineering from Marquette University and her M.D. from the Medical College of Wisconsin.

John E. Prescott, M.D.
Chief Academic Officer

John E. Prescott, M.D., Chief Academic Officer

As chief academic officer, John E. Prescott, M.D., oversees AAMC efforts that prepare and assist deans, faculty leaders, and future physicians for the challenges of 21st century academic medicine. He leads a staff that addresses critical medical school data, administrative, and operational issues; explores new models of successful mission alignment; focuses on key student and faculty issues, and supports medical school accreditation activities.

Prior to joining the AAMC in 2008, Dr. Prescott served as dean of the West Virginia University (WVU) School of Medicine, president and CEO of its faculty practice plan and founding chair of its Department of Emergency Medicine. Before WVU, he was a military physician in the Army for eight years. Dr. Prescott earned his medical and bachelor’s degrees from Georgetown University.

Jennifer M. Schlener
Chief of Staff

Jennifer M. Schlener

As chief of staff at the Association of American Medical Colleges (AAMC), Jennifer M. Schlener works as a member of the executive committee to enhance the AAMC’s strategic focus to align the AAMC’s work across the organization.   

She is responsible for the work of the AAMC Board of Directors, including its Executive Compensation committee and Governance, Nominating, and Leadership Development committee, as well as its annual Leadership Forum.  She has spoken nationally on governance matters, including the imperative for board assessment and continuous board improvement.  

In her executive role, she oversees the functioning of the office of the president, which includes the AAMC’s strategy and innovation development function and internal audit function.  She coordinates the work of the executive Leadership Team, and facilitates and provides leadership to internal organizational development activities.  Additionally, she is accountable for the development of the Medical Center Leaders Caucus and continued growth of the association’s annual awards program.  

She is a highly rated speaker nationally, an expert facilitator of strategic and organizational development retreats, is a certified trainer of Crucial Conversations, and a provisionally certified trainer of Crucial Accountability.

Prior to joining the AAMC in 2007, Ms. Schlener worked at Penn State University for seven years, last serving as the Director of Development & Alumni Relations for Health Affairs at Penn State Hershey Medical Center and College of Medicine.  She began her career as a development and alumni relations professional at her alma mater, Franklin & Marshall College, in Lancaster, PA.  Ms. Schlener is a member of the Board of Directors of Physicians for Peace; is a member of Franklin & Marshall College’s Leadership Council; and she served as a past board member of the American Heart Association – Lancaster Division, Ephrata Performing Arts Center, and Hershey Area Playhouse.

Elisa K. Siegel
Chief Communications and Marketing Officer


As chief communications and marketing officer, Elisa K. Siegel leads the AAMC’s efforts to advance public understanding and support of medical schools and teaching hospitals and their contributions to the nation's health. Her team manages the association's earned, paid and social media; strategic and advocacy communications campaigns, public opinion research, marketing strategy, brand and reputation management, digital and print publishing, and institutional advancement programming. Ms. Siegel also serves as the national communications co-chair of the Coalition to Protect America's Health Care, a national coalition of hospitals and health care providers that educates policymakers and the public about financial challenges facing the nation's hospitals. In addition, she serves on the board of directors of the Public Affairs Council.

Prior to joining the AAMC in 2003, Ms. Siegel was a senior vice president of the public relations and advertising agency Goddard Claussen Porter Novelli, director of public affairs for the American Insurance Association, and government affairs manager for Diamond Shamrock Corporation. She graduated magna cum laude with an A.B. degree from Duke University.

Frank R. Trinity, J.D.
Chief Legal Officer

Frank R. Trinity, J.D.

Chief Legal Officer Frank R. Trinity, J.D., provides guidance and counsel to the AAMC Leadership Team, Board of Directors, and staff in support of association activities and long-term strategy. He manages the association’s legal function, oversees its intellectual property portfolio, and coordinates its litigation and risk-management activities.  Mr. Trinity also serves as the association’s Chief Privacy Officer.

Before joining the association in 2010, Mr. Trinity was general counsel for the Corporation for National and Community Service, where he received the Harris Wofford Award for Outstanding Public Service.  Prior to that position, he was a senior staff attorney for the Washington Legal Clinic for the Homeless, as well as an adjunct professor of law at Georgetown University Law Center.

Mr. Trinity received his law degree from Yale Law School and is a magna cum laude graduate of Princeton University.