# Nima Roohi Sefidmazgi

> Nima Roohi Sefidmazgi is the New York-based co-founder and CEO of Blooming Health. A University of Wisconsin-Madison engineering graduate, he previously worked in research, technical and operating roles at Green Asphalt, and decision science at Bayer. His public interviews describe building through roughly 100 investor passes; his writing explores reading, probability, and decision-making.

- **Role:** Co-founder & CEO at Blooming Health
- **Organizations:** Blooming Health, Bayer, Green Asphalt, University of Wisconsin-Madison
- **Education:** MS in Civil Engineering, University of Wisconsin-Madison, PhD in Civil Engineering; computational mechanics research, University of Wisconsin-Madison
- **Known for:** Helped develop the specifications and performance evidence supporting Green Asphalt’s regulatory approval in New York., His LinkedIn profile lists the 2013 Walter J. Emmons Award for the paper Effect of Particle Mobility on Aggregate Structure Formation in Asphalt Mixtures., Developed Roadin, a phone-based project collecting vibration and location data to evaluate road quality.

## Career timeline

- **2011** — Completed an MS in Civil Engineering at the University of Wisconsin-Madison.
- **2013** — Completed his PhD; his LinkedIn profile lists the Walter J. Emmons Award for a paper on particle mobility in asphalt mixtures.
- **2013-2014** — Research associate at the University of Wisconsin-Madison, according to his Wellfound profile.
- **2014-2016** — Technical director at Green Asphalt; worked on regulatory approval for fully recycled asphalt.
- **2015** — New York City approved Green Asphalt’s fully recycled mix; Roohi publicly announced Roadin app releases.
- **2016** — Became vice president and board member at Green Asphalt, according to his Wellfound profile.
- **Before Blooming Health** — Held a Head of Decision Science role at Bayer.
- **2020** — Co-founded Blooming Health with Kavitha Gnanasambandan and Naman Gupta.
- **2025-04** — Blooming Health announced a $26 million Series A led by Insight Partners, bringing total funding to $32.5 million.
- **2026-02** — Discussed fundraising and company building on Inside Startup Funding with Helena Fogarty.

## Achievements

- Helped develop the specifications and performance evidence supporting Green Asphalt’s regulatory approval in New York.
- His LinkedIn profile lists the 2013 Walter J. Emmons Award for the paper Effect of Particle Mobility on Aggregate Structure Formation in Asphalt Mixtures.
- Developed Roadin, a phone-based project collecting vibration and location data to evaluate road quality.
- Co-founded Blooming Health, which announced total funding of $32.5 million in April 2025.

## Latest updates

- **2026-09** — Published Connect Everyone: The Next Chapter of Blooming Health on September 22, as listed on his LinkedIn profile.
- **2026-02** — Appeared on Helena Fogarty’s Inside Startup Funding to discuss roughly 100 investor passes and capital-efficient company building.
- **2025-09** — Featured on Great Entrepreneurs with RJ Lumba on September 3.

## Links

- LinkedIn: https://www.linkedin.com/in/nima-roohi
- Twitter/X: https://x.com/NimaRoohiS

---

Profile page: https://yespress.io/nima-roohi
Published by YesPress — https://yespress.io
Last updated: 2026-10-11