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  • Age
  • Title
    Cofounder and CEO
  • Company

As the cofounder of music startup Splice, Steve Martocci is changing how people make music. Splice offers users a massive collection of royalty-free audio tools and sounds by subscription. Since Martocci cofounded the company in 2013, Splice has raised more than $100 million in funding and, as of last year, was valued at $268 million. Martocci is no stranger to startup success. The 39-year-old also cofounded the popular messaging app GroupMe, which was purchased by Skype for $85 million in 2011. He also cofounded Blade, which offers private flights via helicopter, seaplane, and jets, in 2014. Blade was valued at $140 million in 2018.