What stage does Iolar Ventures invest at?

Iolar Ventures invests at the Pre-Seed, Seed, Series A stages.

What is Iolar Ventures's typical check size?

Iolar Ventures typically writes checks of $1M – $3M.

Where is Iolar Ventures located?

Iolar Ventures is headquartered in Los Altos Hills, US.

Does Iolar Ventures lead rounds?

Yes, Iolar Ventures leads investment rounds.

Iolar Ventures

Venture capital

Los Altos Hills · Pre-Seed–Series A · 2 people tracked

Also known as IOLAR VENTURES MANAGEMENT, LLC

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Investment thesis

Iolar Ventures champions a capital-efficient model of company building as an alternative to mainstream venture's high-burn, rapid-growth-at-all-costs approach. The firm deliberately keeps its funds small so it can stay focused and avoid pushing excess capital on founders, prioritizing clarity, simplicity, and alignment of interests between founders and investors. It encourages portfolio companies to remain lean to reach early profitability and control their own destiny. As a boutique investor with deep operating and venture experience, Iolar cultivates long-term, trusted partnerships with founders across multiple companies, aiming to deliver capital plus critical resources that create meaningful impact from start to exit.

Invests inCleantech Climate Tech Cloud Computing Cybersecurity Energy Enterprise Software Fintech SaaSSector AgnosticLos Altos Hills Silicon Valley United States

Source: firm website, verified Aug 25, 2026.

Stage

Pre-Seed–Series A

Check

$1M – $3M

Los Altos Hills, California, US

Leads rounds

Leads

Instruments

Equity

Founded

2022

Private fund assets

$20.6M

VC funds

Tracked investments

Team · 2 people

from the firm's website

Patrick Sagisi· Managing Partner

Co-founder and Managing Partner of Iolar Ventures with three decades of product development, operations, and venture capital experience. He previously led Corporate Ventures at Acario Innovation/TokyoGas, investing in climate and energy companies, and began his venture career at DBL Investors/DBL Partners. He also held product and strategy roles at Samsung, Adobe, and Xerox PARC, and is a three-time Olympic swimmer.

p•••@iolar.vcreveal

Susan Mason· Managing Partner

Co-founder and Managing Partner of Iolar Ventures with over three decades of operating, management, and venture capital experience. She previously co-founded Aligned Partners and spent 15 years as a General Partner at ONSET Ventures, specializing in IT investing in communications and security. She is a founding board member and Chairman Emeritus of the Center for Venture Education (Kauffman Fellows Program).

s•••@iolar.vcreveal

What they invest in

from 1 of 1 portfolio companies

Cybersecurity ×1Developer Tools ×1SaaS ×1

Investments · 1 tracked

founders shown can be your intro path

DefectDojodefectdojo.com in 𝕏Sep 2024

DefectDojo is a DevSecOps and application security orchestration platform that integrates with 200+ security tools to help security teams automate vulnerability management and scale their operations.

CybersecurityDeveloper ToolsSaaS

Co-investorsAspenwood

Frequently asked questions

What stage does Iolar Ventures invest at?: Iolar Ventures invests at the Pre-Seed, Seed, Series A stages.
What is Iolar Ventures's typical check size?: Iolar Ventures typically writes checks of $1M – $3M.
What sectors does Iolar Ventures focus on?: Iolar Ventures focuses on Cleantech, Climate Tech, Cloud Computing, Cybersecurity, Energy, Enterprise Software, Fintech, SaaS, Sector Agnostic.
Where is Iolar Ventures located?: Iolar Ventures is headquartered in Los Altos Hills, US.
Does Iolar Ventures lead rounds?: Yes, Iolar Ventures leads investment rounds.

Images

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