Harrison is a Senior Advisor and former Managing Director of Summit Partners. He first joined Summit in 1988 as an Associate and rejoined the firm in 2003 as a Managing Director, focusing primarily on the technology sector.
Harrison's current investment and board roles include Delphix, Gainsight and Uber. His prior investments and directorships include Advanced Cell Diagnostics (acquired by Bio-Techne Corporation), Autobase (acquired by Dominion Enterprises), Clearwater Analytics (acquired by Welsh, Carson, Anderson & Stowe), LiveOffice (acquired by Symantec), NetWitness (acquired by EMC), Postini (acquired by Google), Software Spectrum (acquired by Level 3 Communications), Tiny Prints (acquired by Shutterfly), Wildfire Interactive (acquired by Google), AdvaCare (acquired by Medaphis), Diagnostic Hybrids (acquired by Quidel) and The Mutual Fund Store (acquired by Warburg Pincus).
Prior to rejoining Summit in 2003, Harrison attended business school after which he was part of the founding management team at Lightspan, an online education company that completed its initial public offering in 2000. At Amazon.com from 1998 to 2003, Harrison was the founding VP and GM of Platform Services, a $180 million unit of the company developing and deploying Amazon’s technology infrastructure as a managed service for major retailers and other customers.
Harrison holds an AB in religion, cum laude, from Princeton University and an MBA from Stanford Business School. He serves numerous nonprofit organizations in an advisory or board capacity, including Common Sense Media, Opportunity Fund and Worldreader.org.