"1972-05-25Z"^^ . "Sacks, David O."@en . "David Oliver Sacks (May 25, 1972) has been involved in the Internet space since the late 1990s as an entrepreneur, executive and investor, most recently as chief executive officer and founder of Yammer. As a result of Yammer\u2019s acquisition by Microsoft in July 2012, he served as corporate vice president in Microsoft\u2019s Office Division. On 10 December 2014 he joined Zenefits, a San Francisco based startup company as COO."@en . . "American film producer" . . . "David Oliver Sacks"@en . "David O. Sacks"@en . . . "1972Z"^^ . . .