International law firm Mayer Brown has acquired a new partner for its New York office.

Bryan Barreras will serve the firm's banking, finance and fund finance practices following a stint as executive vice president of operations for a technology start-up. Before his time with the technology company, Barreras had acted as director and counsel in the legal department of Société Générale.

Barreras' expertise lies in hedge fund financing transactions, ISDA-based derivatives transactions connected to hedge funds, and on a variety of forms of bonds and indices transactions.