Jeff founded Guidebook in 2011 and has served as CEO since the company's inception. Prior to Guidebook, Jeff opened Criteo's (NASDAQ:CRTO) North American offices, where he led US Sales and quickly scaled his region's business to $100M in annual revenue. Jeff started his career as an early member of TrialPay, a leader in transactional advertising and alternative payments, which sold to Visa. He holds a BS in Astrophysics from the University of California, Santa Cruz.