Where does Marek Olszewski work?

Marek Olszewski is Advisor at Flori Ventures.

What check size does Marek Olszewski write?

Marek Olszewski typically writes checks of $25K – $100K.

Where did Marek Olszewski go to school?

Marek Olszewski studied at Massachusetts Institute of Technology (PhD, ABD); University of Toronto (MASc, Computer Engineering); University of Toronto (BASc, Computer Engineering).

Marek Olszewski

Investor

Advisor at Flori Ventures

Germany

Writes $25K – $100K checks · typically $50K

Find your path to Marek

572 people in our graph share verified history with Marek — schools, employers, funds. One of them is your warm intro.

Rene ReinsbergunlockedMarek: together at Self (2025–2026)

Marek: together at Valora

×2Marek: together at GoDaddy

Marek: together at Sun Microsystems (Labs)

About

Co-founder of Celo and partner at cLabs.

Experience

SelfCo-Foundercurrent2025 — present
cLabsCo-Founder & CEOcurrent2017 — presentSan Francisco Bay Area
ValoraCo-Founder & President2021 — 2024
GoDaddyVP of Engineering2013 — 2017
Locu, Inc.Co-Founder & CTO2010 — 2013
MITResearch Assistant2007 — 2012
Microsoft (Research)Research Intern2010
Sun Microsystems (Labs)Research Intern2009
Sun Microsystems (Labs)Research Intern2008
GoogleIntern Software Engineer2007
University of TorontoResearch Assistant2005 — 2007
MicrosoftIntern Software Development Engineer2005
MicrosoftIntern Software Development Engineer2004

Skills & more

Start-upsEntrepreneurshipSoftware EngineeringWeb DevelopmentParallel ComputingLinuxCC++PythonJavaScriptHTMLCSS

+12 more

jQueryDjangoDistributed SystemsAlgorithmsBinary TranslationHypervisorTransactional MemoryDeterministic MultithreadingScalabilityTechnical RecruitingEngineering ManagementTeam Building

Languages English · French · Polish

From Marek's professional profile.

Investments

Investor

Accion SystemsAri SwapCapsule WalletsCodeSignalCoinprofileCyberBoxImpact MarketNetraNumoenPartnaPaychantPredicateRemox

Per curated public sources.

Colleagues at Flori Ventures

Barb Izzo

Advisor at Flori Ventures

Maria Alegre

Managing Partner at Flori Ventures

Maria Alegre Ribas

General Partner at Flori Ventures

Rene Reinsberg

Advisor at Flori Ventures

Ryan Nesbitt

General Partner at Flori Ventures

Sebastian Buenaventura

Senior Associate at Flori Ventures

Sep Kamvar

Advisor at Flori Ventures

Tomer Bariach

General Partner at Flori Ventures

Network1

Calvin LiuScout

Partner at Divergence

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

Frequently asked questions

Who is Marek Olszewski?: Co-founder of Celo and partner at cLabs.
Where does Marek Olszewski work?: Marek Olszewski is Advisor at Flori Ventures.
What check size does Marek Olszewski write?: Marek Olszewski typically writes checks of $25K – $100K.
What companies has Marek Olszewski invested in?: Investments tracked here include Accion Systems, Ari Swap, Capsule Wallets, CodeSignal, Coinprofile, CyberBox, Impact Market, Netra, Numoen, Partna, Paychant, Predicate, and 1 more.
Where did Marek Olszewski go to school?: Marek Olszewski studied at Massachusetts Institute of Technology (PhD, ABD); University of Toronto (MASc, Computer Engineering); University of Toronto (BASc, Computer Engineering).