Danielle (Elle) Morrill

Danielle (Elle) Morrill

Y Combinator Logo Batch: S12

Achievements

  • Cofounded and scaled Mattermark, a SaaS data platform, which was acquired
  • First employee at Twilio, led customer acquisition to the first 100k users
  • Co-founded Referly, a Y Combinator-backed social shopping startup
  • Held top leadership roles at GitLab and Meltano, driving growth and scaling
  • Partner at XFactor Ventures, backing women founders and promoting diversity
  • Self-taught software developer and serial entrepreneur with a proven track record

Let me introduce Danielle Elle Morrill

This story’s wild, let me tell you about Danielle “Elle” Morrill, this woman is straight-up a legend in the startup world. No fancy BS, just pure hustle, guts, and smarts. She jumped into the tech scene like a firecracker, no formal coding background but with crazy self-taught skills, and quickly made her mark.

Her story kicks off with her going all-in as a founder and investor. She’s part of YC’s S12 batch, so she’s been around the block a few times, and trust me, her process is the real deal. She’s a serial entrepreneur who’s built and scaled some pretty significant companies.

First up, she co-founded Referly, a Y Combinator-backed startup, which was all about social shopping and referral stuff. That was her first taste of the startup grind. But then, she pivoted into something bigger, co-founding Mattermark, a data platform that crushed it in the SaaS and data space. Mattermark was all about crunching financial and market data to help businesses grow smarter, and it got so much attention that it was eventually acquired. That’s a huge win, showing she’s got that startup DNA, know how to build, scale, and then exit.

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Before all that, Elle was the first employee at Twilio, yeah, the cloud communications giant, you know, the platform that powers a ton of apps today. She ran marketing there and nailed customer acquisition for the first 100k users. That’s some serious street cred, she knew how to get people to actually care about your product.

And she’s not just a founder, she’s a leader in the system. She’s held top roles at GitLab, where she led inbound marketing, and at Meltano, running the show as General Manager. So she’s all about the growth and scaling side of things. She’s also involved with XFactor Ventures now, backing the next wave of badass women founders, because she’s about lifting as she climbs.

Her background’s pretty diverse, she’s worked at companies like FullContact, Pelago, Expeditors International, and even founded Morrill Coaching LLC, probably to help other founders crush it like she did. She’s the kind of person who’s been deep in the trenches, jumping into new tech, figuring shit out on her own, and then turning those lessons into massive wins.

What’s the vibe here? Elle’s all about building, breaking barriers, and then helping others do the same. She’s motivated by pure passion, never satisfied, always pushing forward. Her process screams that starting something isn’t just about the product, it’s about resilience, hustle, and a relentless desire to make an impact. She’s proof that you don’t need to follow a traditional path, just jump in, learn fast, and don’t stop.

Long story short? Elle is one of those rare founders who’s been through it all, built, scaled, exited, and now mentors others to do the same. She’s a force in SaaS, data, and venture capital, and honestly? She’s the kind of person who shows you that with enough grit and smarts, you can turn crazy ideas into big-time success. No Cap.

Founder ID: 107860

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