President and Chief Executive Officer
Eric D. Shaff is President and Chief Executive Officer at PsiThera. He brings more than 20 years of leadership experience in biotechnology, finance, corporate development and capital markets.
Before joining PsiThera, Eric led Seres Therapeutics [NASDAQ: MCRB], where he was President and Chief Executive Officer for about seven years. During his tenure, Seres developed, secured BLA approval for and launched VOWST™, the first FDA-approved oral microbiome therapeutic. He also oversaw multiple financings and strategic transactions. Eric joined Seres in 2014 as Chief Financial Officer, supporting multiple private financings and the company’s initial public offering in 2015. He became Chief Financial Officer and Chief Operating Officer in 2018 before becoming Chief Executive Officer in 2019. Before joining Seres, Eric was Vice President, Corporate Finance at Momenta Pharmaceuticals and Vice President, Finance for Genzyme’s Rare Genetic Disease Division, where he was responsible for supporting a global product portfolio. He also held roles in business-unit finance, corporate finance and corporate development at Genzyme. Eric worked in corporate finance at Pfizer and investment banking at Broadview International, now Jefferies LLC.
Eric serves on the board of directors at Seres Therapeutics. He earned a bachelor’s degree in political science and economics from the University of Pennsylvania and an MBA with a concentration in finance the Johnson Graduate School of Management at Cornell University.