Board of Trustees


Jonathan T. Silverstein, J.D./M.B.A., is a former Managing Partner and Co-Head of Global Private Equity at OrbiMed. He is currently an Executive Partner at OrbiMed, one of the world’s largest fully dedicated healthcare fund managers. Mr. Silverstein joined OrbiMed in 1999 and was on the board of several dozen biotech companies over the last two decades. During his tenure, OrbiMed invested in healthcare companies that have led to over 60 FDA approved therapeutics, medical devices and diagnostics.

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With a particular interest in rare diseases, Mr. Silverstein was the chairman of several biotechnology companies focused on these “orphan” drugs, including: Enobia (sold to Alexion), Intercept (ICPT), and a director of Ascendis (ASND) and Rhythm Therapeutics (RYTM). For seven consecutive years, Forbes® Magazine named Mr. Silverstein one of the top 100 venture capitalists in the world when it placed him on the “Forbes Midas List”.

After being diagnosed with Parkinson’s Disease, Mr. Silverstein learned that he was a carrier of the GBA mutation which had triggered his disease.  He established The Silverstein Foundation for Parkinson’s with GBA and began working with a team of the worlds’ leading GBA-PD experts to help him find a cure.  Over his 20 years of experience in healthcare venture capital, Jonathan has had success in investing in therapeutics to treat PD and other rare diseases, making him well-positioned to take on this challenge.

Mr. Silverstein has a J.D. and an M.B.A. from the University of San Diego, and a B.A. in Economics from Denison University.


Natalie Silverstein, M.P.H., is a writer and consultant with a particular focus on nonprofit management and healthcare. After a 15-year career in hospital administration and managed care, she worked as a healthcare consultant in private practice. She provided communications support and created website content for two cancer-focused nonprofits, Michael’s Mission (Colorectal Cancer) and Let’s Win (Pancreatic Cancer).

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Over the last decade, Natalie has established herself as an author, consultant, speaker and passionate advocate for family and youth service. Since 2013, she has been the New York area Coordinator for Doing Good Together, a Minneapolis-based non-profit with the mission of helping parents raise children who care and contribute. She is the author of Simple Acts: The Busy Family’s Guide to Giving Back which was published by Gryphon House in 2019 and was named one of the top books for parents who want to raise kind kids by the HuffPost. Her most recent book, Simple Acts: The Busy Teen’s Guide to Making a Difference was published by Free Spirit Publishing in July, 2022. In September, 2022, she launched a podcast, Simple Acts, Big Impact: Celebrating Teen Changemakers. Natalie earned an undergraduate degree in Health Policy and Administration from Providence College and a master’s in public health from Yale University. As a philanthropist, Natalie is a founding member of Impact 100 NYC and the Providentia Fund at Providence College and is a member of Legacy Collective.


Geoffrey Levin is a Partner in Sidley Austin’s New York office. He concentrates his practice on complex business transactions and governance matters for private equity sponsors and their portfolio companies.

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Geoff has more than 25 years of experience representing clients across a number of industries in a variety of transactional matters, including domestic and cross-border M&A, leveraged buyouts, going private transactions, proxy contests, spin-offs, joint ventures, recapitalizations, venture capital financing, growth equity investments, PIPEs, debt financings, restructurings and workouts.

Geoff’s representations have covered a broad range of industries including life sciences, financial services, communications, energy, retail, automotive and heavy industrial.

Geoff regularly comments on developments in the healthcare industry and speaks at investment conferences. He is the author of “New M&A Concerns and Strategies” that appeared in Aspatore Books Inside the Mind series. He is listed by IFLR 1000 as a leading M&A lawyer and has been recognized by Institutional Investor News as one of the “10 Rising Stars of Private Equity and M&A Law” and by Mergermarket as a 2009 “Dealmaker of the Year.”