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Pete Koomen

InvestorFounder

General Partner at Y Combinator · Founder at Optimizely

Reno, Nevada

Writes $5K – $50K checks · typically $25K

FoundedOptimizely · YC

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About

Co-founder of Optimizely, which grew past $100M ARR before acquisition; holds a master's in CS from UIUC. Did YC W10.

Contact· published on Pete's own website

Invests in

Developer ToolsSaaS

Beyond investing

Founded
Pete Koomen co-founded Optimizely (YC W10), which helps companies run experiments on their websites and apps, and grew it to over $100M in ARR before its 2020 acquisition.
Education
Studied at University of Illinois at Urbana Champaign (Master's, Computer Science)

From Pete's own website — common ground for a warm intro.

Founder at OptimizelyYC W10

Intro paths

YC

Pete went through Y Combinator (Winter 2010) — any YC alum in your network can reach them through the YC community.

→

In turn, Pete can intro founders to Optimizely's investors below.

Optimizely's investors · 35

Accenture VenturesSan Francisco · since 2019Advancit CapitalBoston · $500K – $1M checksAndreessen HorowitzMenlo Park · $500K – $50M checks · since 2015Ashton Kutchersince 2010Bain CapitalBostonBain Capital VenturesBoston · $1M – $100M checks · since 2015Battery VenturesBoston · $500K – $100M checks · since 2012BedrockLos Angeles · $5M – $30M checksBenchmarkSan Francisco · $100K – $15M checks · since 2015Bridge BankSan Francisco · since 2019Citi VenturesNew York · since 2015Correlation VenturesSan Francisco · $100K – $4M checks · since 2015Corsa VenturesAustinDanhua CapitalPalo Alto · since 2015DHVCMenlo ParkFelicis VenturesSan Francisco · $500K – $15M checksFirebolt Ventures Management Company, LlcPalo AltoFounder CollectiveCambridgeGV (Google Ventures)Mountain View · $250K – $50M checks · since 2010Index VenturesSan Francisco · $540K – $10.8M checks · since 2015Insight PartnersNew York · $120M – $350M checksKapor CapitalOakland · $100K – $1M checksKleiner PerkinsMenlo Park · $500K – $15M checksLowercase CapitalJacksonNorthzoneLondon · $1M – $50M checksNotion CapitalLondon · $1M – $100M checksOmega Venture PartnersSilicon ValleySalesforce VenturesSan Francisco · $5M – $50M checks · since 2015Sam AltmanSherpalo VenturesMenlo ParkSound VenturesSanta MonicaSugar CapitalSonoma · $1M – $2M checksSV AngelSan Francisco · $150K – $20M checksTenaya CapitalPalo Alto · $5M – $10M checks · since 2015Y CombinatorSan Francisco · $500K checks · since 2010

Co-founders at Optimizely

DSDan Siroker
Dan SirokerCEO
AD
Andrew DaviesFounder
EB
Edward BarrowFounder
MR
Mikael RunhemFounder

Investments

Investor

AlacrityAllus AIANORIAApolinkApproval AIArga LabsAriniArticulateArtisan AIAseon LabsAuctorAutumnBearBetter AuthBifrost OrbitalBiteSightBloomBluejayBoltoBrickantaCanvas AICapacitiveCerbosCharacterQuiltChonkieChronicle LabsCladoClearBrainCleonCloudCruiseCoastsCombinelyConduitCotoolCrunchedCuroDarkDeepNightEfferenceElyraEncoreExonicExpected ParrotFabricateFileforgeGaitGeneral AviationGlimmerGoldenBasisHemutHEVNHuscarlImagine AIInQueryInspectMindIntelligence FactoryInventive AIItemJSX ToolKalpa LabsKestrel AILapelLingo.devLuciteLyraMarblismMayflowerMbodi AIMilk VideoMiniswapMoonshineMossMountNapkin MathNotus Autonomous SystemsOpenProseParsePermitPortalPlayvisionPrimitivePrintifyQFEXRecaseRoundabout TechnologiesRovi HealthShowAndTellsmol machinesStageStandard SignalSummed AISynth AITenet IndustriesTerratonTesterArmyThe Company CompanythroxyTicket WalletTrieveVesenceVoicepanelxPayYarnZarnaZenbuZenobia PayZero

Per curated public sources.

Podcasts & interviews

featuring Pete Koomen

Inside YC's AI Playbook

Lightcone

AI Apps Are Broken — Here's How To Fix Them

The Breakdown

The Right (And Wrong) Way To Spend Money At Your Startup

Office Hours

How To Use AI In Your Startup

Office Hours

Enterprise Sales for Founders

Startup school

How to convert more visitors into customers

Design Review

Colleagues at Y Combinator

Aaron Epstein
General Partner at Y Combinator
Adele Gower
Workplace Operations Manager (HR and Workplace) at Y Combinator
Alex Petersen
Associate General Counsel (Legal) at Y Combinator
Alexis Katsilometes
Executive Assistant (Batch) at Y Combinator
Allison Bryan
Director of Accounting (Finance) at Y Combinator
Amir Sharif
Product Engineer (Software) at Y Combinator
Andrew Hsiao
Product Engineer (Post Batch) at Y Combinator
Andrew Miklas
General Partner at Y Combinator

Network3

Ash PatelScout
Co-Managing Partner at E12 Venture Capital, Llc
Brandon HoffmanScout
General Partner at Sunset Venture Partners
Caroline BroderScout
Principal at Base10 Partners

Investors connected to Pete in public investor directories — a warm-intro map.

Frequently asked questions

Who is Pete Koomen?
Co-founder of Optimizely, which grew past $100M ARR before acquisition; holds a master's in CS from UIUC. Did YC W10.
Where does Pete Koomen work?
Pete Koomen is Founder of Optimizely and General Partner at Y Combinator.
What does Pete Koomen invest in?
Pete Koomen invests in Developer Tools, SaaS.
What check size does Pete Koomen write?
Pete Koomen typically writes checks of $5K – $50K.
What companies did Pete Koomen found?
Pete Koomen founded Optimizely.
What companies has Pete Koomen invested in?
Investments tracked here include Alacrity, Allus AI, ANORIA, Apolink, Approval AI, Arga Labs, Arini, Articulate, Artisan AI, Aseon Labs, Auctor, Autumn, and 94 more.
What podcasts and interviews feature Pete Koomen?
Tracked appearances include "Inside YC's AI Playbook", "AI Apps Are Broken — Here's How To Fix Them", "The Right (And Wrong) Way To Spend Money At Your Startup", and 3 more.

Founder mafias

About this profile. Compiled from public sources — Y Combinator's own website, press coverage 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