Michael Callahan is listed as Angel Investor at Michael Callahan. Location on record: Mountain View, CA, United States. See sector focus and contact routes.
About Michael Callahan
Michael Callahan is listed as Angel Investor at Michael Callahan. Location on record: Mountain View, CA, United States. This profile is categorized as Individual/Angel. A LinkedIn profile is on record. No verified website or published biography is on record for this profile yet; the details above are limited to the fields held in this database as of August 9, 2026.
Michael Callahan at a glance
Role
Angel Investor
Location
Mountain View, CA, United States
Investor type
Individual/Angel
Focus areas
Mr. Michael Callahan is a Co-Founder and serves as Chief Executive Officer at Awake Networks. He served as Entrepreneur-in-Residence at Greylock Partners. He was CTO of PolyServe, a Greylock portfolio company that built mission-critical shared-data storage clustering software for Linux and Windows. He cofounded the company in 2000 and helped it grow to deployments at over a thousand customers and a successful acquisition by HP in 2007. He then served as Chief Technologist for Enterprise NAS at HP. Since leaving HP at the end of 2009, he has consulted for various start-ups on development operations and strategy, including Greylock portfolio companies Workday and Drobo (formerly Data Robotics). Before starting PolyServe, he served as Director of Advanced Development at Ask Jeeves, an early natural-language search engine. Previously, he was a mathematician, focusing on differential geometry
Frequently asked about Michael Callahan
What does Michael Callahan invest in?
Michael Callahan (Mountain View, CA, United States) — sector focus: Mr. Michael Callahan is a Co-Founder and serves as Chief Executive Officer at Awake Networks. He served as Entrepreneur-in-Residence at Greylock Partners. He w….
How do I contact Michael Callahan?
Michael Callahan's published profile links (website, LinkedIn or X where available) are listed on the StartupFundraising.com investor profile.
Where is Michael Callahan headquartered?
Michael Callahan is based in Mountain View, CA, United States.
Every field above is read from the StartupFundraising firm directory — disclosed location, recorded investments and stated focus — and re-checked as filings arrive. Founders pair it with investors in Mountain View when building a target list.