David Sacks is a successful entrepreneur and investor who is best known for his role as the CEO of Yammer, a business-oriented social network. Sacks has had a long and varied career, beginning in the early 1990s when he was a part
David Sacks is a successful entrepreneur and investor who is best known for his role as the CEO of Yammer, a business-oriented social network. Sacks has had a long and varied career, beginning in the early 1990s when he was a part