Profasee Founder on Hiring, Firing, More

Chad Rubin is an ecommerce pioneer and serial entrepreneur. Profasee, an Amazon repricing tool, is his fourth company, having founded Crucial (a seller of vacuum and coffee filters), Prosper Show (an Amazon conference), and Skubana (an order management platform). He's hired a lot of employees, in other words. He's also fired a lot — over 100, he says.His employee screening process now involves an IQ test to evaluate long-term potential. But his key metric on employee success is happiness...