About
Tom Brennan joined ARCH as a Venture Partner. He has special focus on ARCH activities at Sandia National Laboratories and Los Alamos National Laboratory. During his first year with ARCH, he served as an Entrepreneur in Residence (EIR) at Sandia National Laboratories (SNL), a position supported by a Department of Energy grant awarded to ARCH early in 2008. Mr. Brennan began his career as a member of the technical staff at AT&T Bell Labs, then joined Sandia in 1986 where he became a senior member of the technical staff focused on the material growth of III-V semiconductor materials and devices. Mr. Brennan's work included the growth of some of the first 'vertical cavity surface-emitting laser' (VCSEL) material at Sandia and in the U.S., and the development of new and unique VCSEL manufacturing techniques. In 1994, Mr. Brennan and a colleague from SNL collaborated with ARCH Managing Directors, Clint Bybee and Keith Crandell, to license the VCSEL technology from SNL and co-founded MicroOp
Position in the VCSift Database
- • 6 investors at ARCH Venture Partners are tracked.
- • 421 investors hold the Venture Partner role in VCSift. Tom Brennan is one of them.
- • 1,718 investors are based in Chicago, Illinois, United States.
Data sourced from 410,343 investor profiles. Updated June 2026.
Investment Focus
- Location
- Chicago, US
Contact Information
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