Michael M. Callahan is a Managing Director of Man Group, a global leader in alternative asset management. Since joining Man in 2011, Mr. Callahan has been involved in new business development and product management, as well as servicing existing client relationships. Prior to joining Man Investments, Michael was a Vice President at Blackstone Alternative Asset Management, Before Blackstone, he was a Principal at Great Horn Capital, a convertible arbitrage hedge fund. Prior to that, he worked at Morgan Stanley and Prudential Securities in institutional research, sales and trading. Mr. Callahan is an active member of the Economic Club of Chicago, the Chicago Commonwealth Club, and also serves on the board of NextStep Fitness.

Michael initially volunteered for Fabretto as a student at Georgetown University selling raffle tickets to help support early fundraising events. After graduating from Georgetown in 1998, Michael visited Nicaragua for the first time and has continued to help support Fabretto’s cause ever since.