Fundraising Fox
Theodore Schlein
InvestorFounderGeneral Partner at Ballistic Ventures · Partner and Advisor at Kleiner Perkins · Founder at GetReal Security
Menlo Park, California
Writes $100K – $150M checks · typically $1.5M
FoundedGetReal Security
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About
Ted Schlein is a longtime Silicon Valley cybersecurity investor, spending nearly three decades focused on security, running specialist firm Ballistic Ventures and bridging Silicon Valley, Washington and national security circles.
Contact· self-published, not guessed
Invests in
AI & Machine LearningCybersecurityData & InfrastructureEnterprise SoftwareSaaS
Beyond investing
- Founded
- Schlein was the founding CEO of Fortify Software, a software security company later acquired by HP. Schlein is the founder of the DoD-sponsored DeVenCI program.
- Education
- Studied at University of Pennsylvania (B.A., Economics)
- Boards
- Schlein serves on the Board of Trustees at the University of Pennsylvania, his alma mater. Schlein serves on the Board of Overseers of the Engineering School at the University of Pennsylvania. Schlein is a member of the Board of Trustees at the National Security Agency.
- Communities
- Schlein is the former chairman of the National Venture Capital Association (NVCA). Schlein is the former president of the Western Association of Venture Capitalists.
From published sources — common ground for a warm intro.
Founder at GetReal Security
Intro paths
In turn, Theodore can intro founders to GetReal Security's investors below.
GetReal Security's investors · 8
Co-founders at GetReal Security
Deals · 2
InterosBoard seat
via Ballistic Ventures · filed Oct 2024 · $75.6M raise
IncortaLed round
via Kleiner Perkins · filed Sep 2017
Attribution from SEC filings, press coverage, and firm rosters.
Other disclosed investments
Led
ArcsightBeijing VenustechChegg Inc.CorioExtensityFortify SoftwareInternet Security SystemsLifelockMandiantOakley Networks
Board seats
3Vr41st ParameterAlien VaultAlienVaultApiiroArea 1 SecurityBedrockChegg Inc.CoreOSEdgeSpringFullStoryInspiratoIonic SecurityIronNetIronPlanetJaskPhantomPhantom SecurityRebellion DefenseRelateIQReputationSegmentShape SecuritySynackTrusonaUjet
Investor
3VR41st ParameterAembitAletheaAlienVault CyberSecurity (now AT&T)ApiiroAppdynamicsArcsightArea 1 SecurityArmorCodeAT&T CyberSecurityAyasdiCarbon BlackCheggEdgeSpringEndgame SystemsFortify SoftwareFullStoryGetReal SecurityHaraHello SojuInspiratointeros.aiIonic SecurityIronNet CybersecurityIronPlanetJASKJiveJive SoftwareLifelockMandiantMimicNebulaNudge SecurityPhantomSegmentShape SecuritySymphonyAI SensaSynackTrusonaVerdiem
Sources: curated public sources · SEC Form D filings.
Colleagues at Ballistic Ventures
Network9
Investors connected to Theodore in public investor directories — a warm-intro map.
Frequently asked questions
- Who is Theodore Schlein?
- Ted Schlein is a longtime Silicon Valley cybersecurity investor, spending nearly three decades focused on security, running specialist firm Ballistic Ventures and bridging Silicon Valley, Washington and national security circles.
- Where does Theodore Schlein work?
- Theodore Schlein is Founder of GetReal Security and General Partner at Ballistic Ventures and Partner and Advisor at Kleiner Perkins.
- What does Theodore Schlein invest in?
- Theodore Schlein invests in AI & Machine Learning, Cybersecurity, Data & Infrastructure, Enterprise Software, SaaS.
- What check size does Theodore Schlein write?
- Theodore Schlein typically writes checks of $100K – $150M.
- What companies did Theodore Schlein found?
- Theodore Schlein founded GetReal Security.
- What boards does Theodore Schlein sit on?
- Theodore Schlein holds tracked board seats at 3Vr, 41st Parameter, Alien Vault, AlienVault, Apiiro, Area 1 Security, Bedrock, Chegg Inc., CoreOS, EdgeSpring.
- What companies has Theodore Schlein invested in?
- Investments tracked here include Arcsight, Beijing Venustech, Chegg Inc., Corio, Extensity, Fortify Software, Internet Security Systems, Lifelock, Mandiant, Oakley Networks, 3VR, 41st Parameter, and 40 more.
- Does Theodore Schlein lead rounds?
- Yes — Theodore Schlein has led 10 tracked investments.
Founder mafias
Kleiner Perkins mafia87
Also came through, then founded or led a company.
Ballistic Ventures mafia10
Also came through, then founded or led a company.
Millburn High School mafia6
Also came through, then founded or led a company.
Alethea mafia3
Also came through, then founded or led a company.
Interos mafia3
Also came through, then founded or led a company.
About this profile. Compiled from public sources — Ballistic Ventures's own website, regulatory filings and public professional profiles — and summarised by Fundraising Fox; every fact is kept with where it came from. Spotted an error, or would rather not be listed? Email privacy@fundraisingfox.com · How we build profiles · Your rights