Orrick, Herrington & Sutcliffe announced Tuesday that Silicon Valley-based corporate partner Mitchell Zuklie will succeed Ralph Baxter Jr. as chair of the 1,100-attorney firm.

The 43-year-old Zuklie is by far the youngest of the four Orrick partners vying to take over the firm’s top management post when Baxter closes out his two-decade-plus run at the top at the end of 2013. The other contenders were Los Angeles-based finance partner Alan Benjamin, San Francisco-based litigator Walter Brown and New York-based litigator James Stengel.