# Sergie Magdalin

> Sergie Magdalin is the co-founder and Chief Experience Officer of Webflow, the visual web development platform that lets designers build production-ready websites without writing code. Alongside his brother Vlad Magdalin and Bryant Chou, Sergie — a former freelance graphic designer and UX designer — built Webflow from a rejected Y Combinator application into a $4B company with over 3.5 million users. His design sensibility shaped Webflow's core UX, including pioneering visual interaction tools and a responsive design system that democratized professional web publishing.

- **Role:** Co-founder & Design Fellow at Webflow
- **Organizations:** Webflow
- **From:** Russia (USSR)
- **Nationality:** American (Russian-born)
- **Education:** Interdisciplinary Computing and the Arts, University of California, San Diego (UCSD)
- **Known for:** Co-built Webflow into a $4B valuation company (Series C, 2022) with $213M+ annual revenue, Pioneered visual interaction design tools - scroll, hover, and click animations without code, Helped design Webflow's CSS Playground, which generated 30,000+ organic waitlist signups pre-launch

## Career timeline

- **2003** — Started freelance graphic design work
- **2006** — Joined Muir Skate as Web & UX Designer; built one of the first online longboard customization tools
- **2009** — Graduated UC San Diego with degree in Interdisciplinary Computing and the Arts
- **2012-09** — Co-founded Webflow with brother Vlad Magdalin and Bryant Chou
- **2012-11** — First Y Combinator application rejected (had designs but no working product)
- **2013** — Accepted into Y Combinator (S13 batch); launched CSS Playground generating 30,000+ waitlist signups
- **2013** — Webflow officially launched to ~70,000 waitlist subscribers
- **2014** — Webflow hit $1M ARR; Smashing Magazine coverage marked shift to professional adoption
- **2015** — 275,000 users; $2M ARR; featured in The Next Web for Y Combinator story
- **2022** — Webflow raised $120M Series C at $4B valuation; crossed $100M ARR
- **2024** — Continues as Design Fellow and co-founder at Webflow with 3.5M+ users

## Achievements

- Co-built Webflow into a $4B valuation company (Series C, 2022) with $213M+ annual revenue
- Pioneered visual interaction design tools - scroll, hover, and click animations without code
- Helped design Webflow's CSS Playground, which generated 30,000+ organic waitlist signups pre-launch
- Shaped the core UX of a platform now used by over 3.5 million people across 190+ countries
- Built one of the internet's earliest custom product configurators (longboard shop, ~2006)
- Accepted into Y Combinator S13 - despite first application being rejected with only screenshots and no working product
- Directed Webflow's entire interface redesign for speed while working 12-hour days, 7 days/week
- Helped Webflow reach $100M ARR milestone in March 2022

## Latest updates

- **2022-03** — Webflow raised $120M Series C at $4B valuation, crossing $100M ARR milestone
- **2021-05** — Shared on Twitter that Webflow was rebuilding its CMS from the ground up for a next-gen experience
- **2024-01** — Listed as 'Design Fellow' and co-founder at Webflow with the platform serving 3.5M+ users

## Links

- Website: https://sergie.webflow.com/
- LinkedIn: https://www.linkedin.com/in/sergiemagdalin/
- Twitter/X: https://x.com/thesergie
- GitHub: https://github.com/thesergie
- Instagram: https://www.instagram.com/thesergie/

---

Profile page: https://yespress.io/sergie-magdalin
Published by YesPress — https://yespress.io
Last updated: 2026-05-22