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Steve Heffernan

InvestorUnicorn founder

Head of Product at MUX · Head of Product Design \u0026 Marketing at Zencoder

San Francisco, California, United States

FoundedMUX$1B · YCZencoder · YC

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About

Steve Heffernan founded Zencoder, which was part of Y Combinator's Winter 2010 batch and later acquired. He is also the founder of Mux and created the Video.js web video player library.

Likely emails· guessed from name + firm domain, not firm-published

Head of Product at MUXYC W16

Intro paths

YC

Steve went through Y Combinator (Winter 2016) — any YC alum in your network can reach them through the YC community.

→

In turn, Steve can intro founders to MUX's investors below.

MUX's investors · 26

AccelPalo Alto · $500K – $100M checks · since 2021Advancit CapitalBoston · $500K – $1M checksAndreessen HorowitzMenlo Park · $500K – $50M checks · since 2021Aurum Venture PartnersPleasantonBuckley Ventures Management Company LlcNew York · $300K checksCervinPalo Alto · $250K – $6M checksChemistrySan Francisco · since 2021Coatue ManagementNew York · $1M – $20M checks · since 2021Cobaltsince 2021Cobalt CapitalSanta MonicaDragoneer Investment GroupSan Francisco · $100K – $5M checks · since 2021Felicis VenturesSan Francisco · $500K – $15M checksFour CitiesNewtonHaystackSan Francisco · $1M – $3M checksHeavybitSan Francisco · $500K – $5M checksHubSpot VenturesCambridge · $500K – $5M checksLiquid VenturesSan Francisco · $250K – $5M checksLowercase CapitalJacksonMango CapitalLos Altos · $1M – $1.5M checksPathbreaker VenturesSan Francisco · $250K – $1M checks · since 2015S2 CapitalSan FranciscoSusa VenturesSan Francisco · $1M – $5M checksSV AngelSan Francisco · $150K – $20M checksWndrCoRedwood City · $100K – $10M checksWorklife VenturesWalnut · $500K – $2M checksY CombinatorSan Francisco · $500K checks · since 2016

Co-founders at MUX

JDJon Dahl
Jon DahlCEO
ABAdam Brown
Adam BrownFounder
MMMatthew McClure
Matthew McClureFounder
MM
Matt McClureFounder

Head of Product Design \u0026 Marketing at ZencoderYC W10

Intro paths

YC

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

→

In turn, Steve can intro founders to Zencoder's investors below.

Zencoder's investors · 11

500 GlobalPalo Alto · $150K checks · since 2010Andreessen HorowitzMenlo Park · $500K – $50M checksBegin CapitalLondon · $500K – $8M checksGeek VenturesNew York · $200K – $800K checksGV (Google Ventures)Mountain View · $250K – $50M checksHeavybitSan Francisco · $500K – $5M checksLowercase CapitalJacksonLudlow VenturesOak Park · $50K – $1M checksSV AngelSan Francisco · $150K – $20M checksTMT InvestmentsY CombinatorSan Francisco · $500K checks · since 2010

Co-founders at Zencoder

JDJon Dahl
Jon DahlCEO
BABrandon Arbini
Brandon ArbiniVice President of Product Development and Engineering

Investments

Investor

Flai

Per curated public sources.

Frequently asked questions

Who is Steve Heffernan?
Steve Heffernan founded Zencoder, which was part of Y Combinator's Winter 2010 batch and later acquired. He is also the founder of Mux and created the Video.js web video player library.
Where does Steve Heffernan work?
Steve Heffernan is Head of Product of MUX and Head of Product Design \u0026 Marketing at Zencoder.
What companies did Steve Heffernan found?
Steve Heffernan founded MUX, Zencoder.
What companies has Steve Heffernan invested in?
Investments tracked here include Flai.

Founder mafias

Zencoder mafia2

Also came through, then founded or led a company.

Jon DahlCEOFounded MUX

About this profile. Compiled from public sources — MUX'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