Leadership Council

Elaine Anderson is a 1976 graduate of the Yale School of Public Health. She worked at Yale for over 30 years, serving as Director of Community, Alumni and Special Studies at YSPH until her retirement in 2007. Her office had responsibility for a number of functions including institutional research; the school’s reaccreditation; strategic planning; public health practice; alumni relations; continuing education and workforce development; and special projects. Currently, she is a member of a number of nonprofit and community boards including the Board of the East Shore District Health Department.

Roger Barnett, ’86 B.A., ’89 J.D. is the Chairman and CEO of Shaklee Corporation. Founded in 1956, Shaklee is a leading natural nutrition company in the U.S., with more than 2 million members and distributors principally in North America and Asia. In 2000, Shaklee became the first company in the world to be certified to fully offset its carbon emissions so as to leave no footprint on our planet. Mr. Barnett began his career at the investment banking firm Lazard Freres & Co. He then organized an investment group to acquire control of Arcade, Inc., which he transformed into the largest sampling company in the world, expanding from a solely U.S. operation into a global business. He was also the founder and Chairman and CEO of Beauty.com, which was one of the first internet retailers in the cosmetics industry.Mr. Barnett received his undergraduate degree from Yale College (Summa Cum Laude), his law degree from Yale Law School (Senior Editor, Yale Law Journal), and his MBA from Harvard Business School. Mr. Barnett has been selected as a Global Leader for Tomorrow by the World Economic Forum (Davos) and has also been selected as a Young Leader Fellow of the National Committee on U.S.-China Relations. Additionally, Mr. Barnett serves as a member of the Harvard and Yale Schools of Public Health Leadership Councils, the University Council of Yale University, the Yale University President's Council on International Activities, the Board of Directors of the Elie Wiesel Foundation for Humanity, and the Advisory Board of 2004 Nobel Peace Laureate Wangari Maathai's The Green Belt Movement.

Andrew K. Bhak, Council Vice-Chair is Managing Director, Group Head in Healthcare Investment Banking at BMO Capital Markets, which follows three years at J.P. Morgan, where he was responsible for the healthcare services sector. He joined J.P. Morgan from Deutsche Bank, where he was Co-Head of Healthcare Services Investment Banking. Prior to that, Andrew was at Morgan Stanley, where he served in a similar capacity and helped to build its healthcare services investment banking franchise. He has served as advisor on more than $135 billion of financing and merger & acquisitions transactions, including HMA's $7.6 billion sale to Community Health Systems, HCA's $3.8 billion IPO, US Oncology's $2.1 billion sale to McKesson, and Quest Diagnostics' $2.0 billion acquisition of Ameripath, among others. Andrew also serves on the Advisory Board of the Yale Healthcare Conference.

Priscilla (Penny) F. Canny, ’83 Ph.D., has extensive experience as a nonprofit leader with a particular passion for research and data analysis. She is President of the Board of Data Haven, an online comprehensive source for data about the Greater New Haven area. She has served as Senior Vice President for Grantmaking and Strategy at The Community Foundation for Greater New Haven, leading the Foundation’s efforts to build community knowledge and information. Prior to The Community Foundation, she was managing director and director of research at Connecticut Voices for Children, a research-based policy and advocacy organization. Before joining Connecticut Voices for Children, Dr. Canny was assistant dean for the Yale School of Public Health where she also earned a Ph.D. in Chronic Disease Epidemiology and worked for many years as a senior research associate. She maintains an appointment at Yale's School of Public Health.

Executive Vice President, Communications and Business Development at Kroenke Sports & Entertainment

James B. Crystal, ’86 B.A., has been Chairman and Chief Executive Officer of CV Holdings, Inc., a specialty lender focused on equipment finance and commercial real estate lending, since 2019.  From 2013 to 2019, he was a Managing Director at Tricadia Capital Management, where he was the portfolio manager principally responsible for private equity investments in the financial services sector, overseeing funds with over $450 million in commitments and serving on various portfolio company boards. Prior to joining Tricadia, he was a Managing Director at Rockefeller & Co., one of the largest multi-family offices. Before joining Rockefeller in 2008, Jim was a Senior Managing Director and Portfolio Manager at Bear Stearns Asset Management, a Managing Director at Silverback Asset Management and, from 1997 to 2004, a Senior Managing Director at Bear, Stearns & Co., serving in the Investment Banking Department and the Asset-Backed Investments Group. Prior to joining Bear Stearns, he was a Director at predecessor companies to UBS Investment Bank from 1988 to 1997. He serves as the Treasurer of the American Friends of Herculaneum, a non-profit organization promoting education, conservation and research relating to the ancient Roman town of Herculaneum (now a World Heritage Site), which was buried and preserved by the eruption of Mount Vesuvius in 79 A.D. Jim received his B.A. magna cum laude from Yale College in 1986 and an A.M. from Harvard University in 1988.

Thomas Dubin ’19 MPH is a pharmaceutical executive and attorney. From 2001 through 2013 he was the Chief Legal Officer and a member of the core executive team that grew Alexion Pharmaceuticals from development stage to membership in the S&P 500.  At Alexion, Tom led legal, government affairs, pricing and reimbursement, corporate communications, and other functions, and he held commercial responsibility for the company’s Australasia region. Prior to Alexion, Tom served as Vice President, General Counsel and Secretary of ChiRex, Inc., an international corporation providing advanced process development services and specialty manufacturing to the pharmaceutical industry. Tom began his career as a corporate attorney with Cravath, Swaine & Moore in New York City.  He is a past Director of BioBlast Pharmaceuticals (NASD: ORPN), on the Advisory Board of Mythic Pharmaceuticals, Trustee of American Jewish World Service, and has been elected Vice Chair of Norwalk Hospital (term begins January, 2020).  He received his J.D. from New York University School of Law, where he received the American Jurisprudence Prize in securities law, and his B.A. from Amherst College, cum laude.

David Dull, ’71 B.A., ’82 J.D., is a director of Ostendo Technologies, Inc. and OnRamp Wireless, Inc. and a business advisor to several other privately-held electronics, water science and bioscience companies. In 2009, he retired after 11 years as a senior executive and general counsel of Broadcom Corporation, where he was responsible for legal affairs, intellectual property strategy and development, and mergers and acquisitions. Previously, as a partner in the law firm of Irell & Manella LLP, he represented clients in the entertainment and technology industries. For five years before and after law school, Mr. Dull was a staff member of the United Nations Association of the U.S.A., a non-profit research and advocacy organization. Mr. Dull is a trustee of Sage Hill School and Sarah Lawrence College and a former member of the Yale Law School Association Executive Committee. He and his wife reside in Newport Beach, CA. They have two children.

Kathe Fox, ’81 Ph.D., Ex officio serves as President of the Board of Directors of the Association of Yale Alumni in Public Health (AYAPH). Kathe, an Informatics Consultant, has more than 30 years’ experience in healthcare Informatics with a particular emphasis on chronic disease epidemiology, research methods and evaluation, and big data and data integration. Recently retired from Aetna, Kathe is currently devoting her energies to service in support of public health and emerging technology companies that are grounded in healthcare data and insights. She is the President of the Association of Yale Alumni in Public Health and President of the Board of the Health Care Cost Institute. At Aetna, Kathe was a member of the Analytics and Behavior Change organization where she led the Informatics activities that support Plan Sponsor analyses and tools. Recently Kathe led the design and assessment of provider and network services including the assessment and monitoring of Aetna’s Joint Venture partners. Kathe also helped manage data governance for external release of Aetna data for research. In 2016 Kathe won the Aetna Innovator of the Year Award and the Aetna Chairman’s Award for her Health/Wealth product idea. From 2012 – 2020 Kathe worked closely with the Harvard Medical School, specifically the Departments of Biomedical Informatics and Health Policy, and encouraged and supported the growth of clinical and policy research using health insurance claims data. Harvard and Aetna built a multi-year data enclave that offered claims experience on 70+ M members over ten years. Researchers used these data to investigate questions ranging from the efficacy of preventive screening to the inheritability of autism. These data, and the associated analytic techniques, have been introduced to medical students as part of their training. Prior to joining Aetna, Kathe was Vice President and Practice Leader for Health Plan customers at Medstat (now IBM Health) where she was responsible for analytic and consulting solutions for the managed care market. She also led a number of federal contracts including the CMS Medicaid Encounter Data Quality and Performance Measurement project and an AHRQ Medical Errors Reporting Implementation Plan. Kathe holds a Ph.D. from Yale University (Department of Epidemiology and Public Health) and a B.A. in History from Skidmore College. From 1985 – 87 she was a Robert Wood Johnson Faculty Fellow in Healthcare Finance at Johns Hopkins. She is a Lecturer in the Department of Biomedical Informatics, Harvard Medical School, and a member of the Scientific Advisory Boards of ActivateCare and Scipher Medicine.

Richard Gliklich BA ’83 is CEO of OM1, a data, outcomes and technology company focused on organizing health information to support medical research, outcomes measurement and personalized medicine, especially for chronic diseases. Dr. Gliklich is also the Leffenfeld Professor, part-time, in the Department of Otolaryngology at Harvard Medical School and Massachusetts Eye and Ear where he has been a surgeon on the faculty since completing his training. Prior to OM1, Dr. Gliklich was an executive in residence with General Catalyst Partners focused on investments in healthcare companies. Previously, he was founder and CEO of Outcome, which he led from inception through its acquisition by Quintiles. Dr. Gliklich is well known in the areas of registries, outcomes and analytics. He is senior editor of the landmark publication by the U.S. Agency for Healthcare Research and Quality (AHRQ) handbook "Registries for Evaluating Patient Outcomes: A User's Guide” and leads the Outcomes Measures Framework, which focuses on standardization of outcomes measurement.Dr. Gliklich holds patents in medical outcomes systems and medical devices. He received his B.A. from Yale University (Summa Cum Laude) and his M.D. from  Harvard Medical School.

Mark Greenwold, B.A. ’66, is an attorney in Washington, D.C. and Senior Consultant to the Campaign for Tobacco-Free Kids, the leading global and national advocacy organization for tobacco control.  Mr. Greenwold advises the Campaign on federal and state regulatory issues and represents a coalition of national public health groups in litigation regarding tobacco control. Mr. Greenwold also represents States and local governments in litigation against the tobacco industry.  Previously, Mr. Greenwold served as the first Chief Counsel for Tobacco for the National Association of Attorneys General, where he represented all the States in the implementation and defense of the tobacco Master Settlement Agreement of 1998.  Mr. Greenwold had previously spent 27 years in private practice in Washington specializing in complex civil litigation.  While in private practice he worked with the Washington Lawyers Committee for Civil Rights and Urban Affairs on matters ranging from asylum to disability rights.Mr. Greenwold graduated from Yale with a B.A. degree magna cum laude in History, the Arts and Letters in 1966 and from Harvard Law School with a J.D. degree cum laude in 1969. Mr. Greenwold served on the Board of Governors of the Association of Yale Alumni and is a past President of the Yale Club of Washington.  He is also classical pianist.  He and his wife, Betty, reside in Washington, D.C.  They have three children, Amanda, B.A. ’92, J.D. ’98, an attorney in Washington; Simon, B.S. ’95, a computer engineer in Boston; and Diana, B.A. ’05, an art museum curator in Portland, Maine. They also have five grandchildren.

Clarion E Johnson, ‘76 M.D., Council Vice-Chair retired from ExxonMobil as its Global Medical Director. He is presently Co-Chair of the Public Private Partnership at the National Academy of Sciences. He serves as Vice Chair on this Council and is a member of the Yale Healthcare Conference Advisory Board.He sits on the Boards of the Milbank Memorial Fund, the de Beaumont Foundation, Bon Secours Mercy Hospital System, Arch Diocese of New York’s Care health system and Friends of the National Library of Medicine. In January of 2020 he was honored with a lifetime appointment as a National Associate of the National Research Council.Clarion is past chair of The Joint Commission’s International and Research Boards, The Virginia Health Care Foundation and City Lights School. He was a HHS secretary appointee to the NIOSH (National Institute of Occupational Safety and Health) Advisory Board and the Virginia Governor’s Task Force on Health Reform and co-chair, Insurance Reform. He served as advisor and lecturer in the Harvard Medical School’s Department of continuing education “Global Clinic Course” 2005-2008. In 2013 he received the Presidents Award from the Oil and International Petroleum Industry Environmental Conservation Association (IPIECA) and Oil and Gas Producers (OGP) for contributions to health and in 2012 he was the recipient of the Society of Petroleum Engineers (SPE) Award for Health, Safety, Security, Environment and Social responsibility. In 2011 he received a medal from the French Army’s Institute De Recherche Biomedical for “Project Tetrapole” a public partnership in malaria research. He is a graduate of Sarah Lawrence College and a member of its Board of Trustees, and the Yale School of Medicine. While on active duty in the U.S. Army, he also trained as a microwave researcher at Walter Reed Army Institute of Research. He is Board Certified in Internal Medicine, Cardiology and Occupational Medicine.

Rebecca Katz, M.P.H. ’98, Ph.D. is a Professor and Director of the Center for Global Health Science and Security, and holds joint appointments in Georgetown University Medical Center and the School of Foreign Service. She teaches courses on global health diplomacy, global health security, and emerging infectious diseases in the Science, Technology and International Affairs, Security Studies, and Global Infectious Disease Programs. Prior to coming to Georgetown in 2016, she spent ten years at The George Washington University as faculty in the Milken Institute School of Public Health. From 2004 to 2019, Dr. Katz was a consultant to the Department of State, working on issues related to the Biological Weapons Convention, pandemic influenza and disease surveillance. She returned to the Department of State in January 2021 as a senior advisor on the global COVID-19 response and global health security. Dr. Katz received her undergraduate degree from Swarthmore College, an M.P.H. from Yale University, and a Ph.D. from Princeton University. She is a member of the Council on Foreign Relations.

Mary G. Lawrence, M.D., ’98 M.P.H., is the Deputy Director of the Department of Defense/Veterans Affairs Vision Center of Excellence in Washington, DC.  The center focuses on research, clinical care integration, education, information systems, and advocacy related to vision trauma, especially injuries and diseases of the eyes and visual system incurred while on Active Duty.    Previously, Dr. Lawrence was a member of the faculty at University of Minnesota where she served on the Glaucoma Service and directed the Visual Rehabilitation Service.  While in Minnesota, she was also the Associate Chief of Ophthalmology at the Minneapolis Veterans Affairs Medical Center.  Prior to this time, Dr. Lawrence served at Harvard Medical School where she received the Residents Teacher of the Year Award and the Dean’s Commendation for her teaching.  Later she was awarded a Clinical Epidemiology Fellowship at Yale University School of Medicine as a Robert Wood Johnson Clinical Scholar.  She received her B.A. in Chemistry from Mount Holyoke College and her M.D. from Jefferson Medical College in Philadelphia. Dr. Lawrence lives in Washington DC, and in NYC with her husband, James A. Lawrence, ’74 B.A., Chief Executive Officer of Rothschild North America, in NY.  They have three childre

Dr. Omar Edward Njie, MD, MPH is a Healthcare Principal at AlleyCorp, one of the most active early-stage venture funds and incubators in New York dedicated to healthcare. Prior to his work at AlleyCorp, he held positions at Deloitte Consulting, Clover Health, and Rock Health as well as advisory roles at some of digital health’s most transformative startups such as Cityblock, Equip, and RubiconMD. In 2019 he co-founded the Mount Sinai Diversity Innovation Hub, a nationally recognized venture working to address social determinants of health and improve minority representation in healthcare innovation. Omar is a recipient of the 2021 Genentech Diversity Innovation Fellowship, the 2020 National Medical Fellowships/Wayne Anthony Butts Scholarship, and 2018 Mount Sinai Leaders as Scholars Merit Scholarship. He received his medical degree from the Icahn School of Medicine at Mount Sinai and received his B.A. in Global Affairs and M.P.H. in Health Policy & Management from Yale University. In his spare time Omar can be found biking around Brooklyn, exploring new NYC restaurants, or volunteering with ExpandEd Schools, an education nonprofit dedicated to closing the learning gap by increasing access to enriched education experiences.

Rock G. Positano, DPM, MSc, MPH, DSc has been on staff at the Hospital for Special Surgery (HSS) since 1991 and is internationally known for his non-surgical approach for the treatment of foot disorders. He serves in the capacity of Founder and Co-Director of the Non-Surgical Foot and Ankle Service and the Joe DiMaggio Heel Pain Center at HSS. In addition to being a faculty member of Yale University’s School of Public Health, he is also on staff at the New York-Presbyterian Hospital/Weill Cornell Medical College, Memorial Sloan-Kettering Cancer Center in New York City, and Lenox Hill/Northwell Health. Dr. Positano was featured on the front page of The New York Times in an article concerning the dangers of cosmetic foot surgery, and was recently featured in the Times as a contributing physician on the harsh impact of the Covid-19 pandemic on feet and ankles. It was in this article that he coined the phrase “pandemic foot”. He has authored and edited numerous peer-reviewed articles and has served as the editor of over a dozen medical textbooks ranging from foot and ankle orthopedics, heel disorders, to sports medicine. His thesis on Foot Health was approved "With Honors" and "With Distinction" by the faculty of the Yale School of Medicine in the Department of Public Health in 1989. Outside of the world of medicine, Dr. Positano is also a published and celebrated author. His recent books include Dinner with DiMaggio: Memories Of An American Hero by Simon & Schuster, and most recently, in October 2022, released his book Street Smart, also by Simon & Schuster. Street Smart features memoirs by dozens of acclaimed individuals including Dr. Anthony Fauci, Arianna Huffington, Michael Imperioli, and others. Dr. Positano also works as an executive music producer, having worked alongside Grammy Award winners Phil Ramone, Jack Douglas, and Neil Young. His most recent record release is the Cowsills’ Rhythm of the World, released in September 2022 by Omnivore Records. Referring to his love for both healthcare and the arts, Dr. Positano calls it “the tether that centers both my left brain and right brain.” To show his support for Yale University’s School of Public Health, Dr. Positano launched a scholarship fund, the Positano Scholarship Fund. Through the program, Dr. Positano hopes to aid future medical professionals in following the doctor’s footsteps in prioritizing management of musculoskeletal conditions without surgery.

Ann Prestipino, ’80 M.P.H. is a Senior Vice President for Strategy and Clinical Operations at Massachusetts General Hospital and Massachusetts General Physician Organization as well as a Teaching Associate at Harvard Medical School.  Ann is the chair of the board of directors at Boston Medflight, a non-profit that provides critical air and ground transportation as well as a former Trustee at Martha’s Vineyard Hospital. Ann has worked at Mass General for over 30 years holding several positions of increasing responsibility.  She currently oversees many clinical/academic  departments and centers, strategic planning and plays a leadership role assisting in the development of the  Partners Healthcare System. Ann earned her BA in 1978 from Brown University before going on to receive her MPH from the Yale School of Public  Health.

Ryan Saadi, M.D., ’95 M.P.H., is Chief Executive Officer and founder of Tevogen Bio. Ryan also serves as Managing Director and Executive Advisor of the Center for Market Access and Medical Innovation, a cross-sector educational initiative which seeks to promote sustainable medical innovation, improve patient access, inform policy-making, and foster talent development.Ryan points to his unyielding passion for ending health inequity, his unique ability to unite normally siloed parties under a common cause, and his “irrational optimism” as the driving force behind his success and the recent formation of Tevogen Bio, whose mission is to be the first public health centric biotechnology company, bringing affordable personalized medicines to the masses.He joined the Leadership Council of the Yale School of Public Health in 2021.

William B. Schultz, ‘70 B.A., is a partner in the Washington, D.C. law firm Zuckerman Spaeder, where he focuses on complex regulatory litigation and provides strategic advice to companies and public interest organizations. He has worked for many years on reducing the use of tobacco products and controlling prescription drug prices. He also represents small biotechnology and generic drug companies, and individual scientists. Between 2011 and 2016, he was General Counsel of the Department of Health and Human Services.  He is a member of the Committee on Science, Law and Technology, National Academy of Sciences, and for 10 years he taught at Georgetown University Law Center. He also is on the Board of the Center for Science in the Public Interest, the Board of the National Health Law Program and the Board of Trustees of Partners in Health.  He was Deputy Assistant Attorney General, Civil Division, U.S. Department of Justice (1999-2000), Deputy Commissioner for Policy, Food and Drug Administration (1994-1999), and Counsel to the Subcommittee on Health and the Environment (Rep. Henry A. Waxman, chairman), Committee on Energy and Commerce, U.S. House of Representatives (1989-1994).  From 1976 to 1989, Bill worked as a public interest lawyer at Public Citizen Litigation Group.  He began his legal career clerking for Judge William B. Bryant, U.S. District Court, D.C.  Bill received his undergraduate degree from Yale College and his law degree from the University of Virginia School of Law.

Sam Silverlieb, M.B.A. '14, is passionate about helping people and teams be their best. Sam serves as SVP of HR for ZoomInfo Technologies (NASDAQ: ZI), a go-to-market tech and intelligence platform enabling sales, marketing, and recruiting to "hit their number." There, he oversees employee experience as well as HR systems and analytics for 3,500 global employees. Prior to ZoomInfo, Sam was Head of Organizational Effectiveness for Coinbase, the most trusted hub to access crypto-powered financial services. Before joining Coinbase, he was a Partner at McChrystal Group, a boutique consulting firm specializing in building effective and agile organizations at scale. There, he specialized in working with executive teams across the healthcare ecosystem. His diverse professional experience also includes roles in venture capital at SineWave Ventures, technology investment banking with Morgan Stanley, government with Israel’s Ministry of Justice, and strategy consulting with Oliver Wyman. His work has touched industries ranging from healthcare and technology to retail and transportation. Sam holds an M.B.A. from the Yale School of Management and B.A. in Government from Harvard University.