Len joined Summit Partners in 2006. As a Managing Director, he leads investments across the technology sector. His key areas of emphasis include robotics and automation, application software, and solutions enhancing education, talent and overall workforce productivity.

Len's board and investment experience includes A10 Networks (NYSE: ATEN), Access Information Management (acquired by Berkshire Partners), Aeryon Labs (acquired by FLIR Systems), Ascentis, Heald College (acquired by Corinthian Colleges), Redzone Production Systems, Ruffalo Noel Levitz, Smartsheet (NYSE: SMAR), Teaching Strategies (acquired by KKR), Trident University International (acquired by Perdoceo Education Corporation), Ubiquiti (NYSE: UI, formerly Ubiquiti Networks) and Ylopo.

Prior to Summit, Len worked for venture capital firm Celerity Partners and Baxter Healthcare International. He received a BS in accounting from the Leventhal School of Accounting at the University of Southern California.