Mark Weinberger, Angel Investor

Mark Weinberger currently serves on the boards of JPMorgan Chase, MetLife, Johnson & Johnson, and Aramco. He is the former Global Chairman and CEO of EY, one of the largest professional services firms in the world, with operations spanning over 150 countries. During his six-year tenure as EY's Global Chairman and CEO, from 2013 to 2019, he oversaw more than 120 acquisitions and grew the firm's workforce to approximately 284,000 employees. Prior to EY, he served as Assistant Secretary of the U.S. Department of the Treasury for Tax Policy under President George W. Bush, and was appointed by President Clinton to the Social Security Administration Advisory Board. Mark is also an angel investor, with a recorded investment in Brain Co., an edtech company focused on neuroscience-based learning, which raised $30M in a Series A round in 2025.