# Michael Mandel

> Michael Mandel is the co-founder and CEO of CompStak, a New York-based commercial real estate data platform that crowdsources lease and sale comparables from brokers, appraisers, and researchers, then sells verified analytics to landlords, lenders, and investors. A former Grubb & Ellis broker who got tired of chaotic Monday-morning comp-swaps, he launched CompStak in 2012 with Vadim Belobrovka and has since raised roughly $89M and built a national platform used across every major U.S. market.

- **Role:** Co-Founder & CEO at CompStak
- **Organizations:** CompStak, Grubb & Ellis (former), Babson College (alum)
- **From:** Cherry Hill, New Jersey, United States
- **Nationality:** American
- **Education:** Bachelor's degree, entrepreneurship, Babson College
- **Known for:** Raised ~$89M across seed to Series C for CompStak., Built a network of 35,000+ CRE brokers, appraisers, and researchers., National Rookie of the Year at Grubb & Ellis.

## Career timeline

- **2005** — Graduates Babson College; member of eTower, the world's first live-in business incubator; leads the Babson Entrepreneurial Exchange.
- **2005-2011** — Works briefly in commercial music production, then joins Grubb & Ellis as a commercial real estate broker in New York; leads the NY metro data center practice; named National Rookie of the Year.
- **2012** — Co-founds CompStak with Vadim Belobrovka; launches a crowdsourced lease comps exchange.
- **2015** — Named 30 Under 30 by Real Estate New York; Rising Star by The Real Deal.
- **2017** — Expands CompStak to sale comps.
- **2021** — Closes Series C round of $50M; total raised approaches $89M.
- **2023** — Publicly bullish on the return to office in a Commercial Observer feature.
- **2026** — Continues as CEO of CompStak; team of ~130, offices in NYC, LA, Chicago, Atlanta, and Belgrade.

## Achievements

- Raised ~$89M across seed to Series C for CompStak.
- Built a network of 35,000+ CRE brokers, appraisers, and researchers.
- National Rookie of the Year at Grubb & Ellis.
- 30 Under 30 by Real Estate New York.
- Rising Star by The Real Deal.
- Regular speaker at MIT, Wharton, and Columbia.

## Latest updates

- **2023-01** — Commercial Observer profile: bullish on the return to office.
- **2024-04** — LinkedIn product update announcing new platform enhancements.
- **2024-08** — Appears on the 'Bricks, Bytes, and Bold Moves' podcast discussing PropTech's future.

## Links

- Website: https://michaelmandel.com/
- LinkedIn: https://www.linkedin.com/in/mmandel
- Twitter/X: https://twitter.com/michaelamandel

---

Profile page: https://yespress.io/michael-mandel
Published by YesPress — https://yespress.io
Last updated: 2026-07-09