Ed Glassmeyer co-founded Oak with Stewart Greenfield in 1978. Ed concentrates in Information Technology with a focus on Cloud and Enterprise Software and Services companies and is active in the broadband networking sector.

Ed is on the Board of Directors of IT Service companies, Attivio, Cloud Technology Partners, EquaTerra (to KPMC), and storage systems innovator, Xiotech (purchased from Seagate, where Ed was a founding director). Ed is also on the board of Anova Data, whose products substantially reduce peak loads on mobile networks, and two eSports companies, Major League Gaming and IMI Exchange (Korea), a leading market place for trading online game assets and virtual currencies.. Ed co-sponsored broadband networking companies GTS (Central Europe) and Zayo, as well as Tikona, a Wireless Internet Service Provider in India.

Past portfolio activity includes IT service companies CBORD Group acquired by Roper Industries, Mobius Management acquired by AGS Content Management and Credit Card software company Paysys acquired by First Data. Telcom companies include Telica (acquired by Lucent); Bellcore spinout Tellium. and Cogent Communications (NASD: CCOI). Also, Aavid Termalloy (NASD:AATT) since taken private, and Seagate (NASD: STX ).

Prior to Oak, Ed started with Citicorp Venture Capital, and later became Managing Partner of The Sprout Group at DLJ (Donaldson, Lufkin, & Jenrette). Ed graduated from Princeton University, served as an officer in the Marine Corps, and received his MBA with distinction from The Amos Tuck School at Dartmouth College. Ed was a founding Director of the National Venture Capital Association (NVCA), and received their Lifetime Achievement Award in 2005.