Glenn Chisholm
InvestorUnicorn founderCo-Founder; former CEO, now Chairman & Chief Product Officer at Obsidian · Operating Partner at Syn Ventures Seed Management Llc · Board director at CodeIntegrity
Newport Beach, California, United States
FoundedObsidian$1.1B
Find your path to Glenn
538 people in our graph share verified history with Glenn — schools, employers, funds. One of them is your warm intro.
HowardunlockedGlenn: together at Cisco (2000–2008)
×8Glenn: together at Cisco
Glenn: together at Obsidian
Glenn: together at Cylance, Inc.
About
Co-founder and former CEO of Obsidian Security, former CTO at Cylance, and former CISO at Telstra.
Board director at CodeIntegrity
Intro paths
→
In turn, Glenn can intro founders to CodeIntegrity's investors below.
CodeIntegrity's investors · 3
Co-founders at CodeIntegrity
SJ
Seungwon JungExecutive Officer, Director
AR
Abilash RaghuramExecutive Officer, Director
SJ
Steven JungFounder
Co-Founder; former CEO, now Chairman & Chief Product Officer at Obsidian
Intro paths
→
In turn, Glenn can intro founders to Obsidian's investors below.
Obsidian's investors · 11
Artisanal VenturesTiburonCRESCENT COVE CAPITALSan Francisco · since 2026Dnx VenturesTokyo · $1M – $5M checksfama Ventures, LLCBostonGreylock PartnersSan Francisco · $100K – $200M checks · since 2026GV (Google Ventures)Mountain View · $250K – $50M checks · since 2022IVP (Institutional Venture Partners)San Francisco · $15M – $75M checks · since 2022Menlo VenturesSan Francisco · $1M – $20M checks · since 2026Norwest Venture PartnersMenlo Park · $10M – $30M checks · since 2022SYN VenturesWest Palm BeachWingPalo Alto · $200K – $20M checks · since 2022
Co-founders at Obsidian
Experience
- SYN VenturesOperating Partnercurrent2025 — presentNewport Beach, California, United States
- Obsidian SecurityCo-Founder and Board Membercurrent2025 — presentNewport Beach, California, United States
- Obsidian SecurityChairman Of The Board and Chief Product Officer2021 — 2025Newport Beach, California, United States
- Obsidian SecurityCo-Founder and CEO2017 — 2021Newport Beach, California
- Delphos LabsBoard Membercurrent2024 — presentSan Francisco Bay Area
- Vulcan CyberBoard Member and Investor2018 — 2025Israel
- UC IrvineCybersecurity Research Institute, Member of the Executive Committee2016 — 2020Irvine, California
- Hexadite - Security Orchestration and AutomationBoard Member2016 — 2017
- Cylance, Inc.Executive Vice President and Chief Technology Officer2012 — 2017Orange County, California, United States
- TelstraChief Information Security Officer and Director Security Operations2008 — 2012Greater Melbourne Area
- CiscoService Provider Software Engineering2000 — 2008
- San Diego Supercomputer CenterResearch Associate1998 — 2000
Skills & more
Security Policy25Network Security78Information Security Management92Security Awareness12Technical Architecture7Network Architecture57Security68Technology Management8F5 BigIP5IT Audit5Routing7Information Security97
+12 more
PCI DSSCISSPData CenterTelecommunicationsVirtualizationPenetration TestingBusiness ContinuityIdentity ManagementCisco TechnologiesCisco Systems ProductsManagementGovernanceFrom Glenn's professional profile.
Deals · 1
CodeIntegrityBoard seat
via Syn Ventures Seed Management Llc · filed Mar 2026 · $5.3M raise
Attribution from SEC filings, press coverage, and firm rosters.
Colleagues at Syn Ventures Seed Management Llc
Adam Cecil
Chief Operating Officer & Operating Partner at Syn Ventures Seed Management Llc
Alex Tosheff
Venture Partner at Syn Ventures Seed Management Llc
Amal Kothari
Principal at Syn Ventures Seed Management Llc
Art Coviello
Managing Partner at Syn Ventures Seed Management Llc
Dan Burns
IC Chairman for Seed Funds at Syn Ventures Seed Management Llc
Dylan Posner
Senior Associate at Syn Ventures Seed Management Llc
Ibrahim Mozawalla
Associate at Sopris Venture Capital
Jay Leek
Managing Partner and Founder at Syn Ventures Seed Management Llc
Frequently asked questions
- Who is Glenn Chisholm?
- Co-founder and former CEO of Obsidian Security, former CTO at Cylance, and former CISO at Telstra.
- Where does Glenn Chisholm work?
- Glenn Chisholm is Co-Founder; former CEO, now Chairman & Chief Product Officer of Obsidian and Operating Partner at Syn Ventures Seed Management Llc and Board director at CodeIntegrity.
- What companies did Glenn Chisholm found?
- Glenn Chisholm founded Obsidian.
- What boards does Glenn Chisholm sit on?
- Glenn Chisholm holds tracked board seats at CodeIntegrity.
- Where did Glenn Chisholm go to school?
- Glenn Chisholm studied at Melbourne Business School (MBA, Economics); Melbourne Business School (Postgraduate Diploma Management); Curtin University (Computer Science).
Founder mafias
Cisco mafia166
Also came through, then founded or led a company.
Sujay JaswaCorporate DevelopmentFounded Superunlimited +2Russ d'SaEngineerFounded Meetyu +2Val AgostinoSr. Director, Head of Product and GrowthFounded Monarch +2Marc AustinHead of Automation Strategy and Growth for Cisco Internet for the FutureFounded Hedgehog +2Dug SongGeneral Manager, Zero Trust & Duo SecurityFounded Duo Security (Link +1Aye MoahUser Interface DesignerFounded Baydin +1
+ 159 more
Melbourne Business School mafia14
Also came through, then founded or led a company.
Nicholas StoneMaster of Business Administration (MBA)Founded Bluestone Lane +1Karthik VenkatasubramanianMaster of Business Administration (M.B.A.)Founded Outcoach +1Alok KulkarniMBAFounded CyaraNina Le LievreAdvanced Managment ProgramFounded Inhibit CoatingsMartin HoskingMBAFounded RedbubbleAnisha ChandraStudy Abroad ProgramFounded The Pets Table
+ 7 more
Syn Ventures Seed Management Llc mafia4
Also came through, then founded or led a company.
Same school
Also attended Melbourne Business School47
Revital PadovitzInvestor at Sand Hill AngelsDave GarlandManaging Partner at Second Century VenturesDaniel StauferInvestment Analyst at aws GründungsfondsCalum McConvilleInvestment Manager at Tin Alley VenturesRichard CelmExecutive Program Director at Startupbootcamp FinTech MexicoGeneviève MétayerHead of Venture Operations at OSS Ventures
+ 41 more
Also attended Curtin University63
Alex GrasPrincipal at Mercury FundKaren Serem WaithakaCEO at DOB EquitySam KroonenburgVenture Partner at AirTree VenturesJohn PearcePartner Emeritus at Underscore VCKaitlyn TregenzaAdvisor at Emmeline VenturesAnn NgFinance Director at SR One Capital Management
+ 57 more
Shared employers
Also worked at Obsidian Security12
Sarah GuoFounder & General Partner of ConvictionSean RobinsonCybersecurity Advisory Board at Florida FundersGaurav GargPartner at WingElaine DaiPartner at Alt CapitalAlex RenFounding Partner at FellowsPromod HaqueManaging Partner at Norwest Venture Partners
+ 6 more
Also worked at Vulcan Cyber9
Mark HatfieldInvestor at Ten ElevenJohn BrennanFounder & Managing Partner at Holly VenturesBiplab AdhyaManaging Partner at Wipro VenturesKate BurkhardtSenior Principal at Autotech VenturesYoav LeitersdorfManaging Partner at YL VenturesOfer SchreiberSenior Partner at YL Ventures
+ 3 more
Also worked at Telstra47
Matthew KoertgeManaging Director at Titanium VenturesSteve SchmidtGeneral Partner at Titanium VenturesMarcus BartramGeneral Partner at Titanium VenturesPhil MorlePartner at Main Sequence VenturesSol TrujilloManaging Partner at L'ATTITUDE VenturesLorenzo ManesHead of Operations at Rialto Ventures
+ 41 more
