Eric Gastfriend is a social entrepreneur who has been active in the Effective Altruism movement since 2011 when he became the volunteer Community Manager for the career-coaching organization 80,000 Hours. He is the Founder of the Harvard University Effective Altruism Student Group and Philanthropy Advisory Fellowship, which advises corporations, foundations, and billionaires on how to have the most impact with their charitable dollars. He is currently Co-Founder and CEO of DynamiCare Health, a tech startup that is fighting substance addiction with evidence-based motivational tools. He earned his B.A. magna cum laude from Brown University, where he started the Brown Animal Rights Club, and MBA from Harvard Business School.