

Principal
Tom Fountain's experience as an entrepreneur and academic shapes his investments in infrastructure software, networking and security as a principal at Mayfield.
Tom's current investments include Akimbi and Webroot. He also works with portfolio companies including Cemaphore, Determina, Elemental Security, Mendocino Software, and Narus.
Prior to joining Mayfield in 2003, Tom was co-founder of Ingrian, a leader in network and database security.
Tom previously served on the faculty of Stanford University in both the electrical engineering and computer science departments. He is the co-inventor of 10 U.S. and four international patent-pending technologies in networking, security and operating systems.
Tom was a Ph.D. student in electrical engineering at Stanford University, where he earned an M.B.A. with distinction as an Arjay Miller Scholar, an M.S. in electrical engineering, an M.S. in computer science, and a B.S. in computer systems engineering.
Cemaphore Systems
Elemental Security
Mendocino Software
Narus
Webroot
Akimbi Systems, Inc.
Determina