# Demetri Karagas

> Demetri Karagas is a New York entrepreneur and co-founder of Sentinel. He previously co-founded Thirty Madison, served as CEO at its September 2025 acquisition announcement, and finished his post-deal work at the end of 2025. His earlier ventures include Sitesimon and Get Maid, which Homejoy acquired in 2014. He has worked at Google and invested in startups including Predoc.

- **Role:** Co-founder at Sentinel
- **Organizations:** Sentinel, Thirty Madison, Keeps, Sitesimon, Get Maid, Homejoy, Google
- **From:** Corpus Christi, United States
- **Education:** BS, Finance and History, NYU Stern School of Business
- **Known for:** Co-founded Get Maid, acquired by Homejoy in 2014., Co-founded Thirty Madison, which announced a $140 million Series C in June 2021., Served as Thirty Madison CEO at its September 2025 acquisition announcement.

## Career timeline

- **2006-2010** — Attended NYU Stern; met Steven Gutentag during their first week.
- **2011** — Co-founded Sitesimon; participated in the first Entrepreneurs Roundtable Accelerator cohort.
- **2012** — Get Maid launched in New York in December following a pivot from Sitesimon.
- **2014** — Homejoy acquired Get Maid in May; Karagas and Gutentag joined its New York team.
- **—** — Worked at Google as a program manager before Thirty Madison.
- **2017** — Co-founded Thirty Madison with Steven Gutentag.
- **2018** — Keeps launched in January.
- **2021** — Thirty Madison announced a $140 million Series C and valuation above $1 billion.
- **2022** — Thirty Madison combined with Nurx.
- **2025** — Identified as Thirty Madison CEO and co-founder in the September 3 Remedy Meds acquisition announcement; finished his post-deal work at year end.
- **2026** — Publicly announced Sentinel with Steven Gutentag and Blake Yoder on October 6.

## Achievements

- Co-founded Get Maid, acquired by Homejoy in 2014.
- Co-founded Thirty Madison, which announced a $140 million Series C in June 2021.
- Served as Thirty Madison CEO at its September 2025 acquisition announcement.
- Named as an angel investor in Predoc’s seed financing.

## Latest updates

- **2026-10** — On October 6, announced he was building Sentinel with Steven Gutentag and Blake Yoder; confirmed his post-deal work at Thirty Madison / Remedy ended at the end of 2025.
- **2026-06** — Appeared on Sari Kaganoff’s CEO Pajama Time podcast to discuss company building, rapid hiring and M&A.
- **2025-09** — Remedy Meds announced an agreement to acquire Thirty Madison in an all-stock deal valued just above $500 million; Karagas was named as CEO and co-founder.

## Links

- Website: https://www.sentinelcertified.com/
- LinkedIn: https://www.linkedin.com/in/demetrikaragas

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Profile page: https://yespress.io/demetri-karagas
Published by YesPress — https://yespress.io
Last updated: 2026-10-27