CL

ClearSky Security

VC
Palm Beach Gardens, FL

ClearSky Security is a Seed venture capital firm based in Palm Beach Gardens, FL investing in Security, Other, Enterprise. The firm typically writes $500K–$5.0M checks and has 2 portfolio companies in our records.

Check size
$500K–$5.0M
Portfolio
2 companies on record
Partners
9 listed
AUM
$245M
Stage
Seed
Sectors
Security, Other, Enterprise, SaaS
HQ
Palm Beach Gardens, FL

Last verified: 2026-05-15

How to approach: warm intro preferred
Stage

Seed

Check Size

$500K – $5.0M

AUM

$245M

Portfolio

2+ companies

Team

9 partners

Investor activity
Investments in last 12 months: 0

Investment Thesis

ClearSky invests in cybersecurity companies addressing critical challenges in identity and access management for enterprise clients.

How ClearSky Security invests

ClearSky Security is a vc firm based in Palm Beach Gardens, FL. The firm invests at the Seed stage, with a focus on Security, Other, Enterprise, SaaS.

ClearSky Security typically writes checks of $500K–$5.0M per investment, backed by approximately $245M in assets under management.

ClearSky Security has backed 2 companies in our records, including BigID, Altamira Parent Holdings, LLC (CIK 0001783859).

Partners & Team

PH

Patrick Heim

Partner

Cybersecurity
Identity Solutions
SS

Sam Small, Ph.D.

Partner

Cybersecurity Operations
Security Strategy
Portfolio Security
ES

Erik Straser, Ph.D.

Partner

Early-stage VC
Enterprise IT Transformation
Seed investing
Energy Transition
RR

Robert Rauch

Partner

Cybersecurity
Technology Innovation
Growth Equity
AW

Alex Weiss

General Partner

Cybersecurity
Energy Transition
Climate Technology
Enterprise IT
Sustainability
RC

Ryan Crum

Partner

Cybersecurity
Cloud & Enterprise Infrastructure
Operational Resilience
GN

Guy Nizan

Partner

Threat Intelligence
Cybersecurity Research
Emerging Security Technologies
JH

James Huff

General Partner

Financial Structuring
Equity & Debt Transactions
Emerging Technologies
Energy Transition
JL

Jay Leek

Managing Partner

Early-stage Cybersecurity
CISO Pain Points
Security Product Innovation

Industry Focus

Invests In

Security
Other
Enterprise
SaaS

Portfolio Companies (2)

Other

BI

BigID

Cybersecurity
AL

Altamira Parent Holdings, LLC (CIK 0001783859)

SEC Form D filing mentioning ClearSky Security

How to pitch ClearSky Security
  • Raising at Seed? You're squarely in their sweet spot.
  • Lead with your fit in Security, Other, Enterprise — the sectors they actively back.
  • Size your ask to their typical $500K – $5.0M check.
  • warm intro preferred
  • Address your outreach to a specific partner, such as Patrick Heim, Partner.
  • A warm introduction beats a cold email. Get matched and request an intro.

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