Jeff Loomans

Who is Jeff Loomans?

Jeff Loomans served as a Vice President, Engineering at Siebel Systems

immediately prior to joining Sierra Ventures in 2002. Prior to Siebel,

Jeff co-founded and served as Chief Technology Officer and VP

Engineering at OnLink Technologies, a Sierra Ventures VI portfolio

company, that was acquired by Siebel System in a transaction valued at

$760 million. Jeff was also the co-founder and President at Integrated

Business Software and Engineering Manager at Decision Systems prior to

OnLink Technologies. He holds an undergraduate degree in Symbolic

Systems and a graduate degree in Computer Science, both from Stanford

University. Jeff's investment practice includes software as a

service (SaaS), Cleantech and consumer companies. His current portfolio

includes Zoom Systems, Corrigo, Inc., Red5 Studios, Inc., greyboxx,

Inc., Expresso Fitness and MIOX, Inc.