David Tanner is the Managing Director of Three Mile Capital LLC, a private investment company. Previously, David served as the Managing Director of Arlon Group and Executive Vice President and a member of the Management Committee of Continental Grain Company and as a Founder and Managing Principal of Quadrangle Group. He currently serves on the boards of Northeast Bancorp, White Mountains Insurance Group Ltd. and Top Aces Corp. 

David is Chairman of the Board of the New York University School of Law, Trustee of New York University, Director of Lawyers for Children, Director of the Carroll and Milton Petrie Foundation and member of the Council on Foreign Relations. David received his bachelor of arts degree with honors in history from Princeton University, his Diploma of Economics from the London School of Economics, and his JD from the New York University School of Law.

David has been happily married to Peggy Epstein Tanner for 37 years and they have three grown sons, Eric, Mark, and Robbie, and three wonderful daughters-in-law, Emi Suzuki, Dylan Krouse and Hannah Shaw Tanner.