Mark Milastsivy

Mark Milastsivy

Y Combinator Logo Batch: W21

Achievements

  • Founded Firstbase.io in 2019 to simplify US business formation for international entrepreneurs
  • Participated in Y Combinator W21 batch, gaining major startup validation and growth momentum
  • Built a platform that streamlines legal compliance and business setup, disrupting traditional red tape barriers
  • Scaled Firstbase through Y Combinator, establishing it as a leading solution for global founders entering the US market
  • Recognized as a thought leader in corporate compliance and international business strategies
  • Based in NY Combinator, he's actively supporting entrepreneurs worldwide to launch and grow startups without legal hurdles

The vibe of Mark Milastsivy

Check it out, we’re talking about Mark Milastsivy, the guy you gotta know if you’re into startups and breaking down barriers in the biz world. He’s the CEO and founder of Firstbase.io, a company that’s all about making it idiot-proof for entrepreneurs, especially international founders, to get their businesses up and running in the U.S. without all the bullshit red tape.

So, here’s the gist: Mark jumped into this game in 2019, right around when he was part of YC’s W21 batch. That’s a big deal because YC is basically the Olympics of startups, if you crush it there, you’re legit. But what’s more interesting is *why* he started Firstbase. The dude saw how tough it is for founders outside the States to incorporate, guide compliance, and keep everything legit while trying to grow. Instead of whining about it, he built a solution that packs all that into a simple, pre-made software setup. Think of it like a startup’s Swiss Army knife for business formation and compliance.

His background? It’s all about hustle and smarts, dude’s got skills in business dev, product strategy, design, marketing, operational efficiency. Basically, he’s one of those guys who sees a problem, then finds a way to fix it with tech. And he’s based in NYC, but his work is global, he’s all about supporting entrepreneurs from everywhere who wanna jump into the US market without getting buried in bullshit paperwork.

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What’s crazy is, Mark’s process screams motivation. He’s not just in this for the money, he’s genuinely trying to solve a real pain for startups. That’s why he’s become a thought leader on compliance and international biz stuff. He’s the real deal, someone who’s not afraid to challenge the status quo and help others level up.

Plus, his YC experience? That’s a huge badge of honor. YC pushed him to scale, adapt, and really understand what founders need at different stages. It’s like his rocket fuel, gave him the tools and network to turn Firstbase into a legit powerhouse.

Bottom line? Mark Milastsivy is a startup guy who saw a problem, jumped into the chaos, and built something that actually helps people succeed. He’s about making entrepreneurship accessible, especially for those who don’t speak the legalese or have the time to deal with red tape. He’s the guy pushing the boundaries, making the complex simple, and supporting the next wave of global founders. No Cap, he’s one of those founders you wanna watch, the kind who’s really shaping how startups go big.

Founder ID: 104175

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