Find your path to Jason
103 people in our graph share verified history with Jason — schools, employers, funds. One of them is your warm intro.
Kadambari (Kad) BeelwarunlockedJason: together at Agami Systems (2004–2005)
Jason: together at Agami Systems
×3Jason: together at Mapr Technologies
×3Jason: together at Clustrix
Chief Architect/Co-founder at Sigma
Intro paths
→
In turn, Jason can intro founders to Sigma's investors below.
Sigma's investors · 10
Altimeter CapitalMenlo Park · $1M – $25M checks · since 2026Altimeter Venture PartnersBoston · since 2025Avenir Growth CapitalNew York · since 2026Databricks VenturesSan Francisco · since 2026NewView CapitalBurlingame · since 2024Princeville CapitalSan Francisco · since 2026ServiceNow VenturesSanta Clara · since 2026Spark 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
RW

Rob WoollenCTO/Co-founder
Experience
- Sigma ComputingChief Architectcurrent2020 — present
- Sigma ComputingFounder & CTO2014 — 2020
- Sutter Hill VenturesEntrepreneur in Residence2013 — 2014
- MapR TechnologiesSoftware Architect2011 — 2013
- ClustrixSoftware Engineer2007 — 2011
- Agami SystemsSoftware Engineer2004 — 2007
Skills & more
Distributed SystemsQuery Optimization
Languages C
From Jason's professional profile.
Frequently asked questions
- Who is Jason Frantz?
- Executive Officer, Director at Sigma Computing
- Where does Jason Frantz work?
- Jason Frantz is Chief Architect/Co-founder of Sigma.
- What companies did Jason Frantz found?
- Jason Frantz founded Sigma.
- Where did Jason Frantz go to school?
- Jason Frantz studied at Caltech (BS, Engineering & Applied Science).
Founder mafias
Caltech mafia177
Also came through, then founded or led a company.
Sutter Hill Ventures mafia14
Also came through, then founded or led a company.
Mike SpeiserManaging DirectorFounded Pure StorageBruno KurticEntrepreneur in ResidenceFounded Bedrockdata +1Greg SandsManaging DirectorFounded Costanoa VenturesSmit DagliCodepoint FellowFounded Kanava AIVaibhav AgrawalCodepoint FellowFounded BaseFrameGene BerdichevskyEntrepreneur in ResidenceFounded Sila Nanotechnologies
Clustrix mafia6
Also came through, then founded or led a company.
Mapr Technologies mafia2
Also came through, then founded or led a company.
Same school
Also attended Caltech279
Shaun MaguirePartner at Sequoia CapitalDario AmodeiCo-founder & CEO of AnthropicFei-Fei LiCo-founder & CEO of World Labs; Sequoia Professor of Computer Science at StanfordScott BillerInvestor at GV (Google Ventures)Seth LieblichInvestment Team at 8VCSusannah BarbeeVice President, Translational Immunology at Deerfield Management Company
+ 273 more
Shared employers
Also worked at Sigma Computing14
Vivian HuangPrincipal at Princeville CapitalNick BunickPrincipal at NewView CapitalZack TembiManaging Partner at Single Fin VenturesJared SleeperPartner at Avenir Growth CapitalDavid PrilutskyInvestments at Avenir Growth CapitalMadhav JhaFounder at Emergent
+ 8 more
Also worked at Sutter Hill Ventures25
Mike SpeiserManaging Director at Sutter Hill VenturesZack IsaacsonVenture Partner at Rackhouse Venture Management LpSam PullaraManaging Director at Sutter Hill VenturesGreg SandsFounder and Managing Partner at Costanoa VenturesPamela MagieDirector of Operations at Costanoa VenturesParm UppalVenture Partner / Advisor at Angular Ventures
+ 19 more















































