# Martin Kay

> Martin Kay is the Austin-based co-founder and CEO of Entera, a software, brokerage and services platform for professional single-family residential investors. Previously co-founder and CEO of Greenlet Companies, he brings experience in data technology and rental-property investing to the coordination of property discovery, evaluation and transactions.

- **Role:** Co-Founder and CEO at Entera
- **Organizations:** Entera, Greenlet Companies
- **Education:** Bachelor’s degree, University of North Carolina at Chapel Hill
- **Known for:** Co-founded Entera and serves as its CEO., Led Entera during its $7.5 million 2019 financing and $32 million 2021 Series A., Entera reported over 15,000 single-family transactions worth $5 billion across 29 US markets in August 2023.

## Career timeline

- **2011–2017** — Co-founder and CEO of Greenlet Companies, according to his public career record.
- **2018** — Entera CEO and co-founder role begins in his career record; company histories also describe an initial 2017 launch.
- **2019** — Entera announces a $7.5 million funding round led by Bullpen Capital and Craft Ventures.
- **2021** — Entera announces a $32 million Series A led by Goldman Sachs Asset Management.
- **2023** — Entera receives the PropTech Breakthrough Real Estate Search Solution of the Year award.
- **2025** — October appellate opinion on rehearing affirms a direct award against Kay and reverses a derivative award, with remand allowing an alternative election of remedies.
- **2026** — Appears in a two-part Uncontested Investing interview on AI, execution, leadership and trust.

## Achievements

- Co-founded Entera and serves as its CEO.
- Led Entera during its $7.5 million 2019 financing and $32 million 2021 Series A.
- Entera reported over 15,000 single-family transactions worth $5 billion across 29 US markets in August 2023.
- Entera received the 2023 PropTech Breakthrough Real Estate Search Solution of the Year award.

## Latest updates

- **2026-04** — April 14 Uncontested Investing interview addresses AI, data and operational efficiency.
- **2026-04** — April 16 follow-up interview covers executive teams, trust, trade shows and product expansion.
- **2025-10** — October 16 opinion on rehearing in Kay v. Yosowitz affirms a $378,470.08 direct-claim award, reverses the $53.9 million derivative award and permits an alternative election of remedies on remand.

## Links

- Website: https://www.entera.ai/
- LinkedIn: https://www.linkedin.com/in/martinlkay

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Profile page: https://yespress.io/martin-kay
Published by YesPress — https://yespress.io
Last updated: 2026-10-25