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Michael Coates

Michael Coates

3x CISO, cybersecurity founder, operator and investor

MichaelCoates
San Francisco, California
Joined December 2024

Network

8K connections
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CoinList Professionals

Summary

Established cybersecurity executive and operator — Michael has repeatedly built and led security programs at large technology organizations (Mozilla, Twitter) and at startups. At Twitter he served as the company's first CISO and ran large-scale incident and platform security work; at Mozilla he built the security assurance programs for Firefox and web properties. theverge+2
Founder and builder who shipped product-led security startups — He co-founded Altitude Networks (focused on cloud collaboration data protection), led it as CEO, and guided it through acquisition by CoinList, demonstrating operator experience from product through exit. businessinsider+1
Investor and seed-stage partner in cybersecurity — After founding and exiting a startup, Michael moved into early-stage investing and operator‑led venture work, launching Seven Hill Ventures to back pre-seed cybersecurity founders and participating as an angel/seed investor in many security startups. sevenhillventures+1
Community leader and open-source contributor — Longtime OWASP leader (served as chairman of the OWASP global board) and creator/leader of the AppSensor project, showing commitment to community-driven security tooling and education. blogspot+1
Public communicator: speaker, writer and commentator — Regular conference speaker (RSA, QCon, industry events) and author of the Inside Cyber newsletter where he publishes incident analyses and product/market perspectives on security. michaelcoates+2

Work

Education

Projects

Hobbies

Endurance athletics: marathon, triathlon, long-distance cycling blogspot

Notes

NMNate McGuiresaid they've seen
MCMichael Coates
make a major positive impact in the cybersecurity industry as a founder.

Dec 17, 2025

GTGarry Tansaid
MCMichael Coates
is one of the most impressive tech founders they've met in San Francisco.

Oct 10, 2025

GTGarry Tansaid they would be excited to have
MCMichael Coates
invest in a company they're involved with.

Oct 1, 2025

ALAlan Lefortsaid
MCMichael Coates
is one of the most impactful security executives they've worked with at a large company.

Aug 17, 2025