Find your path to Steve
Sign up to see every warm intro you have to Steve
- Paths you didn't know you had: your email and LinkedIn already hold routes to Steve. We find them for you
- 2nd- and 3rd-degree connections: the friend-of-a-friend routes that take hours to manually find through your inbox or LinkedIn
- Answers now, not in days: momentum is everything in a raise. Skip asking around whether someone knows someone
Days of research, done the moment you sign in, with every route ranked by how warm it is.
About
Steve Martocci is co-founder and CEO of SuppCo, a companion app for managing supplement routines that is backed by Union Square Ventures, True Ventures, Box Group, and Compound Ventures. He previously co-founded the music production platform Splice, which has more than 4 million users and has paid out over $40 million to creators, and is also a co-founder of Blade and GroupMe. Martocci earned a B.S. in Information Systems from Carnegie Mellon University in 2004 and lives in Los Angeles.
Founder at SuppCo
Intro paths
In turn, Steve can intro founders to SuppCo's investors below.
SuppCo's investors · 7
Co-founders at SuppCo

Founder at Splice
Intro paths
In turn, Steve can intro founders to Splice's investors below.
Splice's investors · 14
Co-founders at Splice
Investments
Investor
BondsyBreakaway GroupCodecademyDavid EnergyDispatchFrontbackGuest of a GuestJukelyQuinnSmartthingsTimehopWand AppWildcard
Per curated public sources.
Network1
Investors connected to Steve in public investor directories — a warm-intro map.
Frequently asked questions
- Who is Steve Martocci?
- Steve Martocci is co-founder and CEO of SuppCo, a companion app for managing supplement routines that is backed by Union Square Ventures, True Ventures, Box Group, and Compound Ventures. He previously co-founded the music production platform Splice, which has more than 4 million users and has paid out over $40 million to creators, and is also a co-founder of Blade and GroupMe. Martocci earned a B.S. in Information Systems from Carnegie Mellon University in 2004 and lives in Los Angeles.
- Where does Steve Martocci work?
- Steve Martocci is Founder of Splice and Founder at SuppCo.
- What check size does Steve Martocci write?
- Steve Martocci typically writes checks of $10K – $50K.
- What companies did Steve Martocci found?
- Steve Martocci founded Splice, SuppCo.
- What companies has Steve Martocci invested in?
- Investments tracked here include Bondsy, Breakaway Group, Codecademy, David Energy, Dispatch, Frontback, Guest of a Guest, Jukely, Quinn, Smartthings, Timehop, Wand App, and 1 more.
Founder mafias
Carnegie Mellon University mafia562
Also came through, then founded or led a company.
About this profile. Compiled from public sources — SuppCo'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



















