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Zach Witzel

Founder

CEO at Helium · Founder at Nova Labs

San Francisco, California, United States

FoundedHelium · YCNova Labs

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About

Zach Witzel previously conducted growth experiments at Uber. He is now building Helium, a platform that personalizes upsell flows for consumer subscription companies.

CEO at HeliumYC S24

Intro paths

YC

Zach went through Y Combinator (Summer 2024) — any YC alum in your network can reach them through the YC community.

GP

Their group partner at YC was David Lieb, General Partner at Y Combinator — the partner who ran Helium's batch and knows the company first-hand. YC profile ↗

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In turn, Zach can intro founders to Helium's investors below.

Helium's investors · 6

Andreessen HorowitzMenlo Park · $500K – $50M checks · since 2022Canaan PartnersStamford · $500K – $20M checksDaybreak VenturesNew York · $500K – $1M checksGradient VenturesSan Francisco · $100K – $10M checksIndia QuotientBengaluru · since 2026Y CombinatorSan Francisco · $500K checks · since 2024

Co-founders at Helium

SJShishir Jakati
Shishir JakatiCTO
ADAnish Doshi
Anish DoshiFounder

Founder at Nova Labs

Intro paths

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In turn, Zach can intro founders to Nova Labs's investors below.

Nova Labs's investors · 36

10T FundGreenwicha16z cryptoMenlo ParkAlpha Square GroupNew YorkAlumni VenturesManchester · $100K – $10M checksAndreessen HorowitzMenlo Park · $500K – $50M checks · since 2022BlueYard CapitalBerlin · $500K – $5M checksBorderless VentureClermontCanaan PartnersStamford · $500K – $20M checksColor CapitalPortlandDigital GarageTokyo · since 2026Draft Ventures LlcSan FranciscoEQUIAMSan Francisco · $1M – $10M checksFantail VenturesFirstMark CapitalNew York · $500K – $8M checks · since 2026Goodyear VenturesAkron · since 2022GV (Google Ventures)Mountain View · $250K – $50M checks · since 2026Hack VCPalo Alto · $3M checksHivemind Capital PartnersNew YorkKhosla VenturesMenlo Park · $100K – $20M checks · since 2026LightShed VenturesArmonkMulticoin CapitalAustin · $1M – $50M checks · since 2026Munich Re VenturesSan FranciscoNarwhal VenturesLouisvilleNGP CapitalBerlin · $5M – $15M checksPantera CapitalSan Francisco · $5M – $100M checksParaFi CapitalNew YorkParafi General FundRaptor GroupMiami BeachSeven Seven SixPalm Beach Gardens · $500K – $5M checksSlow VenturesSan Francisco · $50K – $1M checks · since 2026SV AngelSan Francisco · $150K – $20M checks · since 2026Third PrimeNew York · $500K – $2M checksTiger Global ManagementNew York · $1M – $100M checks · since 2026U First CapitalSilicon ValleyUnion Square Ventures (USV)New York · $1M – $8M checks · since 2026Y CombinatorSan Francisco · $500K checks

Co-founders at Nova Labs

AH
Amir HaleemFounder
SC
Sean CareyFounder
SF
Shawn FanningFounder
SJShishir Jakati
Shishir JakatiFounder

Frequently asked questions

Who is Zach Witzel?
Zach Witzel previously conducted growth experiments at Uber. He is now building Helium, a platform that personalizes upsell flows for consumer subscription companies.
Where does Zach Witzel work?
Zach Witzel is CEO of Helium and Founder at Nova Labs.
What companies did Zach Witzel found?
Zach Witzel founded Helium, Nova Labs.

Founder mafias

About this profile. Compiled from public sources — Helium'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