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Founder at Sigma
Intro paths
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In turn, Rob can intro founders to Sigma's investors below.
Sigma's investors · 12
Altimeter CapitalMenlo Park · $1M – $25M checks · since 2026Altimeter Venture PartnersBoston · since 2025Avenir Growth CapitalNew York · since 2026Databricks VenturesSan Francisco · since 2026K5 GlobalSan Francisco · $1M – $3M checks · since 2026NewView CapitalBurlingame · since 2024Princeville CapitalSan Francisco · since 2026ServiceNow VenturesSanta Clara · since 2026Snowflake VenturesMenlo Park · $1M – $20M checks · since 2024Spark CapitalSan Francisco · $500K – $25M checks · since 2026Sutter Hill VenturesPalo Alto · $100K – $5M checks · since 2017Workday VenturesSan Francisco · since 2026
Co-founders at Sigma
RW
Robert WoolenDirector
JF
Jason FrantzFounder
Frequently asked questions
- Who is Rob Woollen?
- Founder at Sigma
- Where does Rob Woollen work?
- Rob Woollen is Founder of Sigma.
- What companies did Rob Woollen found?
- Rob Woollen founded Sigma.
Founder mafias
Salesforce mafia235
Also came through, then founded or led a company.
Alexander BruehlCo-Investor ⇨ ContentfulFounded Contentful +6Steve LucasSVP, Platform Marketing & Force.comFounded Adobe +3Scott CollisonVice President, Platform Partners & Go to MarketFounded Personify +2Suhaas PrasadSoftware DeveloperFounded Onos Health AI for behavioral health management Health +2Eric TobiasVice President, ProductFounded Opendate +1Richard SocherChief Scientist, EVPFounded AIX Ventures +1
Sutter Hill Ventures mafia15
Also came through, then founded or led a company.
About this profile. Compiled from public sources — Sigma's own website 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