Mr. Don Callahan is a Head-Operations & Technology at Citigroup, Inc. and a Chairman at Manhattanville College.
He is on the Board of Directors at American Red Cross in Greater New York. Mr. Callahan was previously employed as a Global Head-Marketing by Morgan Stanley, a Chief Operating Officer by Citigroup Alternative Investments LLC, a Managing Director & Head-Marketing Strategy by Credit Suisse Securities (USA) LLC (Broker), and a Strategy Director by IBM Japan Ltd.
He also served on the board at New York Hall of Science.
He received his undergraduate degree from Manhattanville College and a graduate degree from the University of Oxford.