John has held a number of senior executive positions with successful startups during the past fifteen years. At Computer Motion (RBOT), he was the CFO and VP of Business Development. At Citrix Online (CTXS - formerly Expertcity), John served as CFO and SVP of Strategic Development. At CallWave (CALL), he served as the SVP of Sales & Business Development. In his capacities at Computer Motion and Citrix, John spearheaded transactions which generated more than $350 million of shareholder value, including Computer Motion's initial public offering and the sale of Expertcity to Citrix for over $236M.
During 2012, John sold RevUpNet, an online marketing company which he Co-Founded in 2007, to UK based Coull for $2M.
He is a tenured member of the University of California at Santa Barbara’s Technology Management Faculty where he teaches courses on New Venture Creation and Entrepreneurial Sales. In 2012, he was granted the University's prestigious "Venky" award as recognition of his multi-decade impact on Santa Barbara's entrepreneurial community. He is also the author of a hands-on startup blog: www.johngreathouse.com.
John serves on the Boards of Directors of: RingRevenue, ElephantDrive, The Resumator, Divshot and Central Desktop.