Home›People›Glenn Chisholm
Glenn Chisholm

Glenn Chisholm

Partner, SYN Ventures and director at Obsidian Security.

Director
Updated Nov 9, 2026·Latest SEC filing Aug 18, 2026·Suggest an edit

About Glenn Chisholm

Glenn Chisholm is a partner, SYN ventures and director at Obsidian Security.

Experience

This experience comes from Glenn Chisholm's profile and from SEC filings. For roles taken from filings, the years are when the filings name Glenn Chisholm in the role, so the role may have started earlier or lasted longer.

SYN Ventures Current
Operating Partner
2025 – Present
Delphos Labs Current
Board Member
2024 – Present
Obsidian Security, Inc. Current
Partner, SYN Ventures and director
Co-Founder and Board Member (2017 – Present)
2017 – Present · Palo Alto, CA
Cybersecurity software that helps businesses protect third-party applications and AI agents.
Vulcan Cyber
Board Member and Investor
2018 – 2025
UC Irvine
Cybersecurity Research Institute, Member of the Executive Committee
2016 – 2020
Hexadite - Security Orchestration and Automation
Board Member
2016 – 2017
Cylance, Inc.
Executive Vice President and Chief Technology Officer
2012 – 2017
Telstra
Chief Information Security Officer and Director Security Operations
2008 – 2012
Cisco
Service Provider Software Engineering
2000 – 2008
San Diego Supercomputer Center
Research Associate
1998 – 2000

Key Colleagues at Startups

The people Glenn Chisholm works with at each company, as listed on that company's latest Form D.

Obsidian Security, Inc. · Form D, Aug 18, 2026
Venky Ganesan
Venky Ganesan
Partner, Menlo Ventures and director
Hasan Imam
Hasan Imam
Chief Executive Officer and director
Asheem Chandna
Asheem Chandna
Partner, Greylock Partners and director
Paul Luongo
Paul Luongo
Chief Legal Officer
Gaurav Garg
Gaurav Garg
Founding Partner, Wing Venture Capital and director
Sunil Seshadri
Sunil Seshadri
Lead Independent Board Director

Sources

  1. SECObsidian Security, Inc. Form D, filed Aug 18, 2026