US giant Wilmer Cutler Pickering Hale and Dorr has beefed up its New York capabilities with the hire of the local managing partner of King & Spalding.

Michael O’Brien joins Wilmer Cutler as a partner after four years as New York chief at King & Spalding. He joins the firm’s corporate department and will focus on M&A and private equity transactions. O’Brien was previously a partner with O’Sullivan Graev & Karabell and also formerly worked at Cravath Swaine & Moore.