Jamie Siminoff is an American entrepreneur and inventor best known as the founder of Ring, the smart doorbell company he sold to Amazon in 2018. He first gained widespread attention after his product, then called Doorbot, was famously turned down by the investors on Shark Tank — only for the company to later become a billion-dollar acquisition. Today, he’s regarded as one of the more well-known “rejected on TV, succeeded anyway” stories in American business.
Profile Bio Table
| Field | Details |
| Full name | James “Jamie” Siminoff |
| Profession | Entrepreneur, inventor, businessman |
| Nationality | American |
| Hometown | Chester, New Jersey, U.S. |
| Reported birthday | October 18, 1976 |
| Reported age | 49 (as of 2026) |
| Education | Babson College (B.S. in Entrepreneurship); honorary doctorate, 2021 |
| Known for | Founding Ring (formerly Doorbot); Shark Tank rejection turned success story |
| Reported height | Around 5 ft 10 in (not publicly confirmed) |
| Relationship status | Reportedly married |
| Estimated net worth | Reportedly $300–400 million (unverified, varies by source) |
| @siminoff (handle reportedly used, not officially verified) |
Who Is Jamie Siminoff?
Jamie Siminoff is widely recognized as the inventor and founder of Ring, a home-security and video doorbell company. Before Ring became a household name, he pitched an early version of the product, Doorbot, on Shark Tank in 2013 and was turned away by every investor on the panel. He kept building anyway, and within a few years the company he founded was acquired by Amazon in a deal reportedly worth over $1 billion. That turnaround has made him a frequently cited example in entrepreneurship circles.
Jamie Siminoff Net Worth
Jamie Siminoff’s net worth is estimated to fall somewhere between $300 million and $400 million as of 2026, according to various online sources. These figures are not independently verified and should be treated as rough estimates rather than confirmed facts, since Siminoff has not publicly disclosed his personal wealth. His fortune is largely attributed to the Amazon-Ring deal, in which reports suggest his ownership stake was around 10%.
Sources of Income
- Proceeds from the sale of Ring to Amazon
- Compensation and equity reportedly earned during his time as Ring’s Chief Inventor and executive
- Reported involvement in other startups and ventures, including PhoneTag and Unsubscribe.com
- Possible investment income from later business projects
Age and Birthday
Siminoff was reportedly born on October 18, 1976, which would make him 49 years old as of 2026. His birth date is commonly repeated across biography sites, though it has not been confirmed through an official or primary source.
Early Life
Siminoff is reported to have grown up in Chester, New Jersey, showing an early interest in building and inventing things. Some accounts describe a childhood spent tinkering with gadgets and small mechanical projects, though detailed, verified information about his upbringing remains limited, as he has kept much of his personal history out of the public eye.
Education
According to available reports, Siminoff attended Babson College in Wellesley, Massachusetts, graduating around 1999 with a Bachelor of Science in Entrepreneurship. In 2021, Babson College is reported to have awarded him an honorary doctorate in recognition of his business achievements.
Career
Early Ventures
Before Ring, Siminoff reportedly founded several other companies, including PhoneTag, a voicemail-to-text service, and Unsubscribe.com, a tool designed to help users manage unwanted marketing emails.
Doorbot and Shark Tank
In the early 2010s, Siminoff developed Doorbot, a Wi-Fi-enabled video doorbell, after reportedly wanting a way to see visitors at his door while working in his garage. He pitched the idea on Shark Tank in 2013 but did not secure an investment from any of the panel’s investors.
Building Ring
Despite the setback, Siminoff continued developing the product, rebranding the company as Ring. The device gained traction as a home-security tool, reportedly expanding into thousands of retail locations over the following years.
Amazon Acquisition
In 2018, Amazon acquired Ring in a deal reportedly valued at over $1 billion. Following the sale, Siminoff is reported to have stayed on as Ring’s Chief Inventor, continuing to work on product development within Amazon.
Later Career
Siminoff reportedly departed Amazon around 2023 to pursue new business ventures, though details about his current full-time role remain limited in public reporting.
Awards
Public recognition specific to formal “awards” is limited in available sources. However, Siminoff has reportedly been recognized within entrepreneurship and business circles for the Ring turnaround story, and received an honorary doctorate from Babson College in 2021, which is often cited as a notable professional honor.
Family Background
Details about Siminoff’s parents and extended family are not widely documented. Some reports mention that his father was involved in a steel manufacturing business, which may have exposed Siminoff to tools and materials early in life, though this detail is not independently confirmed.
Husband/Wife and Children
Siminoff is reportedly married to Erin Lindsey Siminoff, said to be a former entertainment industry executive. The couple is reported to have a son named Oliver, whose early health challenges have been mentioned in some profiles. As with much of his personal life, these details are drawn from secondary sources and have not been officially confirmed by Siminoff himself.
Height and Appearance
Jamie Siminoff’s exact height is not officially documented. Some estimates place it around 5 feet 10 inches, but this figure should be treated as an approximation rather than a confirmed statistic.
Lifestyle
Reports suggest Siminoff maintains properties in multiple locations, including Los Angeles, Nantucket, and a farm property reportedly in Missouri. He has also reportedly been linked to a coffee shop business and various personal interests such as cycling, though specifics vary between sources and are largely unverified.
Social Media
Siminoff reportedly maintains a presence on platforms like Instagram and LinkedIn, occasionally sharing updates related to his business ventures. As with many public figures, follower counts and engagement levels can fluctuate, and handles should be verified directly before relying on them.
Quick Facts
- Reportedly born on October 18, 1976, in Chester, New Jersey
- Founder of Ring, formerly known as Doorbot
- Famously rejected by investors on Shark Tank before Ring’s success
- Ring was acquired by Amazon in 2018 for a reported $1 billion-plus
- Estimated net worth reportedly ranges from $300–400 million
- Holds a degree in Entrepreneurship from Babson College
Final Thoughts
Jamie Siminoff’s story is often cited as a case study in persistence, having turned a rejected TV pitch into a business eventually acquired for nine figures. While exact figures around his net worth and personal life remain unconfirmed in many cases, his role in shaping the smart home security industry through Ring is well documented in business and tech media.
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FAQs
1. What is Jamie Siminoff’s net worth in 2026?
Estimates reportedly place it between $300 million and $400 million, though this figure is unverified.
2. How did Jamie Siminoff make his money?
Primarily through founding Ring and its subsequent acquisition by Amazon in 2018.
3. Is Jamie Siminoff a billionaire?
No, based on available estimates, his reported net worth falls short of billionaire status.
4. What happened on Shark Tank?
Siminoff pitched Doorbot on the show and was turned down by all the investors, before later achieving major success with Ring.
5. Is Jamie Siminoff married?
He is reportedly married to Erin Lindsey Siminoff, and the couple reportedly has one son.
