Ally elected to its board Greenbriar Equity founder Gerald Greenwald and Miller Buckfire managing director Henry Miller. [DealBook]

In August, Christopher Rokos will leave in Brevan Howard Asset Management, the giant hedge fund firm he co-founded. [WSJ]

UBS has hired Laurence Grafstein, a veteran deal maker, as a co-head of M&A in the Americas. [NY Times]

Eric Rosen, co-head of UBS’s fixed income, currencies and commodities business for the Americas, is leaving in September to start a hedge fund focused on credit. [Bloomberg]

Hedge fund Brigade Capital hired former Deutsche distressed-debt analyst Scott Hoffman. [Hedge Fund Net]