# Regina Clewlow

> Regina Clewlow is a transportation scientist turned CEO who co-founded Populus, the urban curb and mobility management platform that became the operating system for city streets - helping over 100 cities worldwide manage the explosive growth of scooters, bikes, delivery fleets, and autonomous vehicles. Armed with a PhD from MIT and deep research roots at Stanford and UC Berkeley, Clewlow bridged academia and industry to turn GPS data and curb regulations into digital intelligence for cities. Populus was acquired by IPS Group in November 2025, cementing its place as the infrastructure layer between cities and the mobility economy.

- **Role:** Chief Executive Officer & Founder at Populus (acquired by IPS Group)
- **Organizations:** Populus, IPS Group, SPUR, Engineers for a Sustainable World, Stanford University, UC Berkeley, UC Davis, RideScout (Daimler)
- **Nationality:** American
- **Education:** PhD, Transportation and Energy Systems, MIT (Massachusetts Institute of Technology), BS, Computer Science; degrees in Civil and Environmental Engineering, Cornell University
- **Known for:** Mass Transit Magazine 40 Under 40 (2018), San Francisco Business Times 40 Under 40, World Economic Forum Technology Pioneer

## Career timeline

- **2001** — Founded Engineers for a Sustainable World (originally Engineers Without Borders USA) while earning her engineering master's at Cornell; served as founding executive director through 2008
- **2008** — Began research career at Stanford, UC Berkeley, and UC Davis; published research on emerging mobility and energy systems
- **2012** — Completed PhD in Transportation and Energy Systems at MIT; held MIT Energy Fellow and EPA STAR Fellow positions
- **2013** — Lectured at Stanford University on transportation systems through 2015
- **2015** — Joined RideScout as Director of Business Development & Strategy; company subsequently acquired by Daimler
- **2017** — Co-founded Populus with Dr. Fletcher Foti in San Francisco, building the urban mobility data platform for cities
- **2019** — Populus raised $3.1M seed to help cities manage shared scooters and bikes; Regina spoke at TechCrunch Sessions: Mobility
- **2021** — Populus raised $5M from Storm Ventures and Magna with participation from Precursor, Relay Ventures, and Ulu Ventures
- **2022** — Populus closed $11M Series A co-led by Zero Infinity Partners and Climactic, with Comcast Ventures and RDJ's FootPrint Coalition Ventures
- **2025** — IPS Group acquired Populus on November 4, 2025, expanding smart mobility and transportation solutions globally

## Achievements

- Mass Transit Magazine 40 Under 40 (2018)
- San Francisco Business Times 40 Under 40
- World Economic Forum Technology Pioneer
- MIT Energy Fellow
- EPA STAR Fellow
- US Department of Transportation Eisenhower Transportation Fellow
- International Parking & Mobility Institute Professional Excellence Award in Innovation
- National Engineers Week 'New Face of Engineering'
- Founded Engineers for a Sustainable World, supported by NSF and UNESCO
- Grew Populus to serve 100+ cities worldwide including Chicago, San Diego, Oakland, Milan, and Tel Aviv
- Raised $19.1M+ in venture funding for Populus
- Secured Robert Downey Jr.'s FootPrint Coalition Ventures as an investor in Populus Series A
- Led Populus to acquisition by IPS Group (2025)

## Latest updates

- **2025-11** — IPS Group completed acquisition of Populus, with Regina leading the integration as founding CEO
- **2022-08** — Populus closed $11M Series A co-led by Zero Infinity Partners and Climactic, with Comcast Ventures and FootPrint Coalition Ventures participating
- **2021-03** — Populus raised $5M in growth funding from Storm Ventures and Magna International

## Links

- Website: https://www.reginaclewlow.com/
- LinkedIn: https://www.linkedin.com/in/clewlow/
- Twitter/X: https://twitter.com/ReginaClewlow
- Instagram: https://www.instagram.com/reginaclewlow/
- Facebook: https://facebook.com/populusai/

---

Profile page: https://yespress.io/regina-clewlow
Published by YesPress — https://yespress.io
Last updated: 2026-05-13