Forbes -- Tom Siebel is announcing that his company, C3.ai, will cover the cost for employees to earn a master’s degree in computer science from his alma mater, the University of Illinois. Those who complete the degree get three more big perks—a $25,000 cash bonus, a guaranteed 15 percent raise and a stock grant. Siebel, 66, got his own master’s in computer science from the highly ranked program at the U of I.