Christoph Westphal

Co-Founder & General Partner at Longwood Fund

Dr. Westphal is co-founder and General Partner of Longwood Fund, Exec Chair of ImmuneID, Former Chair of TScan Therapeutics, Chair of Immunitas Therapeutics, and has spent 20 years as a biotech CEO, entrepreneur, and investor. Dr. Westphal has been the co-founder, CEO, and lead investor of six biotechnology companies that have completed initial public offerings (IPOs) and created sustained market value of over $30 billion and have developed and received FDA approval for over 10 important drugs. These include: These include: Momenta Pharmaceuticals, Inc. (NASDAQ: MNTA), Alnylam Pharmaceuticals, Inc. (NASDAQ: ALNY), Acceleron Pharma, Inc. (NASDAQ: XLRN), Sirtris Pharmaceuticals, Inc. (NASDAQ: SIRT, acquired by GSK in 2008), and Verastem (NASDAQ: VSTM). Dr. Westphal is also co-founder of Alnara Pharmaceuticals (acquired by Eli Lilly), founder/former CEO/former chair of TScan Therapeutics, founder/former CEO/Chair of Immunitas Therapeutics, cofounder of Pyxis Oncology; and co-founder of Concert Pharmaceuticals (NASDAQ: CNCE). Companies founded by Dr. Westphal have created over 6,000 jobs in the Boston area.

Companies founded by Dr. Westphal have developed and received FDA approval for multiple important drugs, including the first RNAi therapy; for currently incurable cancers; the largest-selling heparin in the United States; a therapy for MS; for Beta Thalassemia and Myelodysplastic Syndrome; and several experimental medicines: for cystic fibrosis (phase 3), for serious inflammatory disorders (phase 2), and for serious neurological illnesses such as ALS and MS (positive phase 2).

Dr. Westphal earned his M.D. from Harvard Medical School and Ph.D. in genetics from Harvard University; and he graduated with a B.A. summa cum laude and Phi Beta Kappa from Columbia University. Dr. Westphal has served or currently serves as a member or director of: the Boston Commercial Club, the Biotechnology Industry Organization’s (BIO) Emerging Companies Section Governing Board, the Board of Fellows of Harvard Medical School, and the Board of Trustees of the Boston Symphony Orchestra; he is also a member of the ownership group of the Boston Celtics. Dr. Westphal has been the lead or senior author on several patent applications and scientific papers in journals such as Cell, Nature, and Nature Genetics. Dr. Westphal has been featured on 60 Minutes with Morley Safer, CNN’s Vital Signs with Dr. Sanjay Gupta, an ABC News Special hosted by Barbara Walters, and as the subject of Fortune, New York Times, and Wall Street Journal cover articles. Dr. Westphal has generally avoided media interviews since 2010.


Org chart