# Sara Beykpour

> Sara Beykpour is the co-founder and CEO of Particle, an AI-powered news app that summarizes the day's stories and shows readers how coverage differs across the political spectrum. She spent more than a decade at Twitter shaping products like Vine, Periscope, and Twitter Blue before leaving in 2022 to build Particle with former Twitter engineer Marcel Molina. The company launched publicly in November 2024 and has raised roughly $15.3 million, including a $10.9M Series A led by Lightspeed.

- **Role:** Co-Founder & CEO at Particle
- **Organizations:** Particle, Mina Labs, Twitter
- **Nationality:** Canadian
- **Education:** Bachelor of Software Engineering and Cognitive Science, University of Waterloo
- **Known for:** Co-founded and leads Particle, an AI news app that launched publicly in November 2024, Raised roughly $15.3M total for Particle, including a $10.9M Series A led by Lightspeed, Signed Reuters as an early publishing partner to experiment with new monetization models

## Career timeline

- **2011** — Joined Twitter, beginning more than a decade in product and engineering roles
- **2013-2016** — Worked on Twitter's video and creation products, including Vine and Periscope
- **2021** — Led Twitter Blue as Senior Director of Product Management, overseeing the subscription and advertiser experience
- **2022** — Left Twitter after roughly a decade building consumer products
- **2023** — Co-founded Particle (Mina Labs) with Marcel Molina in February; pivoted from social to news within two months; raised $4.4M seed in April
- **2024** — Raised $10.9M Series A led by Lightspeed; partnered with Reuters; launched the Particle app publicly in November
- **2025** — Brought Particle's AI news reader to the web

## Achievements

- Co-founded and leads Particle, an AI news app that launched publicly in November 2024
- Raised roughly $15.3M total for Particle, including a $10.9M Series A led by Lightspeed
- Signed Reuters as an early publishing partner to experiment with new monetization models
- Spent over a decade at Twitter shaping Vine, Periscope, and Twitter Blue
- Rose to Senior Director of Product Management at Twitter, leading Twitter Blue and advertiser experience

## Latest updates

- **2024-11** — Particle launched publicly on iOS and Android
- **2025-05** — Particle brought its AI-powered news reader to the web

## Links

- Website: https://particle.news
- LinkedIn: https://www.linkedin.com/in/sarabeykpour/
- Twitter/X: https://x.com/pandemona

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Profile page: https://yespress.io/sara-beykpour
Published by YesPress — https://yespress.io
Last updated: 2026-07-29