Robinhood, the zero-fee stock trading app and cryptocurrency exchange, is bringing on a former Amazon finance exec to help the company prepare for an eventual public debut. The startup has hired Jason Warnick, a former exec at Amazon who was with the company for nearly 20 years, most recently serving as the commerce giant’s VP of … Continue reading Robinhood hires 20-year Amazon veteran to CFO role as high-flying startup eyes IPO