# Jamie Siminoff

> Jamie Siminoff is the founder of Ring, the connected home security business Amazon acquired in 2018 for more than $1 billion. A serial entrepreneur behind PhoneTag and Unsubscribe.com, he built an early Wi-Fi video doorbell in his garage, pitched Doorbot on Shark Tank in 2013, and later returned as a guest investor. After leaving Amazon in 2023, he returned in 2025 to lead home security work spanning Ring, Blink, Amazon Key, and Sidewalk. He coauthored Ding Dong with Andrew Postman.

- **Role:** Founder and Chief Inventor at Ring; Vice President, Amazon Home Security
- **Organizations:** Ring, Amazon, PhoneTag, Unsubscribe.com, Honest Day’s Work, Latch, Shark Lake Explorations, Handlebar Café
- **From:** Chester, United States
- **Nationality:** American
- **Education:** Bachelor of Science in Entrepreneurship, Babson College, Honorary Doctor of Laws, Babson College
- **Known for:** Created the Wi-Fi video doorbell that became Ring., Built Ring into a business acquired by Amazon for more than $1 billion in 2018., Returned to Shark Tank as a guest investor after pitching Doorbot in 2013.

## Career timeline

- **1999** — Graduated from Babson College.
- **2009** — Sold PhoneTag, a voicemail transcription business.
- **2011** — Sold Unsubscribe.com and developed an early Wi-Fi video doorbell in his Los Angeles garage.
- **2013** — Pitched Doorbot on Shark Tank seeking $700,000 for 10%; left without a deal.
- **2014** — Rebranded Doorbot as Ring and launched redesigned hardware.
- **2015** — Richard Branson invested in Ring.
- **2018** — Amazon acquired Ring for more than $1 billion; Siminoff appeared as a guest Shark on Shark Tank.
- **2021** — Delivered Babson’s undergraduate commencement address and received an honorary degree.
- **2023** — Left Amazon; Latch acquired his company Honest Day’s Work in July, and he became Latch CEO later that year.
- **2025** — Moved from Latch CEO to an advisory role effective January 1; returned to Amazon by April.
- **2025** — Published Ding Dong, coauthored with Andrew Postman, on November 10.
- **2026** — Discussed Ring’s AI features, Fire Watch, and the newly announced Ring Smart Lock.

## Achievements

- Created the Wi-Fi video doorbell that became Ring.
- Built Ring into a business acquired by Amazon for more than $1 billion in 2018.
- Returned to Shark Tank as a guest investor after pitching Doorbot in 2013.
- Founded and sold PhoneTag and Unsubscribe.com.
- Coauthored Ding Dong: How Ring Went from Shark Tank Reject to Everyone’s Front Door.
- Received an honorary Doctor of Laws degree from Babson College in 2021.

## Latest updates

- **2026-10** — Ring announced a Smart Lock with a hand-operated power dial; planned U.S. availability is early 2027, subject to required authorization.
- **2026-10** — Discussed Ring’s smart-home and AI strategy on Bloomberg Tech on October 7.
- **2026-09** — Appeared on Daniel Lubetzky’s Build or Break podcast, published September 22.
- **2026-02** — Defended Ring’s privacy approach in interviews following its Super Bowl Search Party advertisement.
- **2026-01** — Ring and Watch Duty announced Fire Watch; Ring donated $1 million to Watch Duty.

## Links

- Website: https://thedingdongbook.com/
- LinkedIn: https://www.linkedin.com/in/jamiesiminoff/
- Twitter/X: https://x.com/JamieSiminoff
- YouTube: https://www.youtube.com/@DingDongBook
- Instagram: https://www.instagram.com/jsiminoff/

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Profile page: https://yespress.io/jamie-siminoff
Published by YesPress — https://yespress.io
Last updated: 2026-10-21