Jeff Epstein is an experienced operating partner at Bessemer Venture Partners and serves as the chair of the Board of Directors at Twilio Inc. Additionally, Jeff is a member of the Board of Directors at Okta and Kaiser Permanente. With a strong academic background, Jeff lectures at Stanford University in the Department of Management Science & Engineering and the Graduate School of Business. Jeff holds a Bachelor of Arts in Economics and Political Science from Yale University and pursued further education at the Stanford University Graduate School of Business from 1977 to 1979.