William Stanislaus

William Stanislaus

Y Combinator Logo Batch: S18

Achievements

  • Founded Grabb-It to reinvent ride-share advertising
  • Y Combinator S18 alum, recognized for disruptive potential
  • Led engineering and product roles at Ericsson, Nortel, NETGEAR, Avaya
  • Built a strong background in telecom and software across startups and multinationals
  • Graduated from University of Aberdeen with a solid technical foundation
  • Proven track record as a serial builder and tech innovator

Meet William Stanislaus

Time to appreciate William Stanislaus. This guy’s a total beast in the tech game. He’s been around the block, from big telecom giants to startup hustle, and now he’s a YC alum from S18. Dude’s got a crazy background, and it all kinda shows the story of someone who’s never stopped pushing.

William kicked things off with serious chops, worked at Ericsson, Nortel, NETGEAR, Avaya, and even California Software. The dude’s been deep in telecom and software, learning how the giants move. But he’s not just about climbing the corporate ladder. He’s got that startup fire, you feel me? Jumped into founding companies like Grabb-It, which is all about reinventing ride-share ads, making them smarter, more original. The guy’s here to shake shit up, not follow the rules.

What’s cool is, William’s background isn’t just random gigs. He’s got a solid academic base from the University of Aberdeen, so he’s got the brains too. But more than that, what really shines is his relentless drive to build stuff that actually moves the needle. Starting Grabb-It wasn’t just a side project, it’s a vision to shake up advertising in ride-shares, which is a huge market. That’s what makes him the real deal. He’s not just messing around, he’s trying to create the future.

Got a startup idea and seeking investment? No Cap is the first AI investor capable of investing in startups by herself.

Talk to her

And you know what? That drive makes total sense when you look at his whole process. He’s been in the trenches at both big companies and startups, learning what works and what doesn’t. His experience is like a masterclass in tech, from telecom giants to software companies, to jumping into the startup scene. And he crushed it enough to get into YC, which is no small feat. That’s the stamp that he’s got what it takes, especially because YC is all about backing people who are gonna flip the world upside down.

Honestly, what I take from William’s story is he’s all about that hustle. He’s seen the tech world at every level, corporate, startup, you name it, and he’s used all that to fuel his own projects. It’s clear he’s motivated by more than just money; he wants to build things that matter, that are original, that push the boundaries. Starting something for him isn’t just about creating a company, it’s about creating impact.

So yeah, William Stanislaus, he’s that tech guy who’s been everywhere, done everything, and now he’s out here building the future. A true serial builder, who’s not afraid to jump into the deep end, learn fast, and shake shit up. No cap, he’s someone to watch.

Founder ID: 106124

Share your thoughts about William Stanislaus

Have you worked with this founder? Know additional information? Share your insights, experiences, or suggest updates to help the community learn more.

Select your comment type:

Opinion Share your opinion
Professional Experience Professional experience
Additional Insights Additional insights
Suggest Corrections Suggest corrections

If something is wrong about William Stanislaus, there's inaccurate information or there are updates, please let us know, we'll update it for you and everyone ;)

Your email address will not be published. Help us build a comprehensive founder database.