Berkshire Keeps Strong Ties to Munger Tolles With Historic Hire

Berkshire Hathaway Inc.’s unique relationship with Munger, Tolles & Olson is getting a bit more conventional. Michael O’Sullivan, a veteran corporate lawyer and former partner at the Big Law firm, is poised to take on the newly created general counsel position at Warren Buffett’s $1 trillion conglomerate.

O’Sullivan, who is leaving his legal chief role at Snapchat parent Snap Inc., will relocate from Southern California to Omaha, Neb., to become Berkshire’s first law leader. His hire as of Jan. 1 is part of a series of changes taking place at the company sparked by Buffett handing the reins of ...