Person Overview

Partner at Greylock Partners
Founder & Chairman at Glyde, Founder & VP eBay Motors at eBay, See All (3)
Harvard University



Simon joined Greylock in 2011 as an Executive-in-Residence and was promoted to Partner in 2013. He invests in entrepreneurs building consumer networks and platforms. His area of focus includes network effects businesses, transaction-based startups, and mobile apps with a specialty around marketplaces. He has served as an advisor to many marketplaces and networks including Lyft, Wanelo, Poshmark, Tango, and others. Simon is also leading Greylock’s $100 million commitment to marketplace investments.

Simon is an early pioneer of online marketplaces and network effect businesses having joined eBay when it was a small, US collectibles auction business. He helped scale eBay to nearly 200 million users generating over $40 billion in merchandise sales. While at eBay Simon was Founder and Global Vice President of eBay Motors, a division of eBay that nationalized the used car market. Within 6 1Ž2 years Simon built eBay Motors into... See More

Experience (3)


Advisory Roles (6)


Investments (2)