Having earned his stripes working for top Wall Street like S.A.C. Capital (founded and run by Steve Cohen) and Morgan Stanley American Opportunities Fund, Chaim Siegel, aka Elazar Advisors, is intimately familiar with the intricacies of building out earnings models. Over the years he has developed his own proprietary earnings models, allowing him to separate from the herd and call tech company earnings in a way few Wall Street analysts can. "It all starts with talking to people at the company," explains Siegel. "You have the numbers and everything sounds great.