United States antitrust law
In a of 2015, James Heilman was removed from the board, with little explanation. (He returned in the board in August 2017). In January 2016, Arnnon Geshuri briefly joined the board before stepping down amid controversy about a "no poach" agreement he executed when at Google, which violated United States antitrust law and for which the participating companies paid US$415 million in a class action suit on behalf of affected employees.