Mr. Brennan is Vanguard’s global chief risk officer. He is responsible for the firm’s current enterprise risk management organization in addition to all facets of enterprise security and investment risk management.

Previously, Mr. Brennan was global head of Vanguard Equity Index Group, where he oversaw investment teams based around the world responsible for assets in U.S., international, and global equity index funds, commingled trusts, and ETFs.

Mr. Brennan joined Vanguard in 1991 and has held numerous investment leadership roles, including chief investment officer of Vanguard’s Asia Pacific region, director of Vanguard Investments Australia, and head of Vanguard Portfolio Review Department.

He earned a B.A. in economics from Fairfield University and an M.S. in finance from Drexel University. Mr. Brennan is a CFA® charterholder and a member of the CFA Society of Philadelphia.