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Iolar Ventures

Venture capital

Los Altos Hills · 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 venture investing as an alternative to mainstream venture's emphasis on rapid growth, high burn, and large portfolios. The firm deliberately maintains small funds so it does not need to push companies to raise excess capital, and it prioritizes clarity, simplicity, and focus. Iolar encourages portfolio companies to stay lean to reach early profitability and control their own destiny, and it emphasizes aligning the interests of founders and investors so that everyone who creates value shares in the outcome. Operating as a boutique firm, Iolar cultivates long-term, trusted relationships with founders across multiple companies, offering hands-on operating and venture expertise from start to exit.

Source: firm website, verified Nov 3, 2026.

Stage
Seed–Series A
Check
$1M – $3M
HQ
Los Altos Hills, California, US
Leads rounds
Leads
Instruments
Equity
Founded
2022
Private fund assets
$20.6M
VC funds
1
Tracked investments
1

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, operations, and venture experience. Previously Director & Head of Corporate Ventures at Acario Innovation/TokyoGas and began his venture career at DBL Investors/DBL Partners; he holds MBA and MS-Engineering degrees from Stanford and a dual BS from UC Berkeley.

Susan Mason· Managing Partner

Co-founder and Managing Partner of Iolar Ventures with over three decades of operating, management, and venture capital experience. Previously co-founded Aligned Partners and spent 15 years as a General Partner at ONSET Ventures, specializing in IT, communications, and security investing; she holds a BS in EE/CS from the University of Colorado and an MBA from UCLA.

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.comin𝕏Sep 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 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, Deep Tech, 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

Iolar Ventures photo

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