Jamie Siminoff is also an American inventor and serial entrepreneur whose most significant contribution is the founder of Ring, the first Wi-Fi video doorbell. It is a typical entrepreneurial story because he started by producing a product in his garage that would eventually become one of the largest purchases made by Amazon. Since that time, he has also reappeared on the screen as a Guest Shark on the ABC show Shark Tank.
Age, Early Life, and Education
Jamie Siminoff was born on October 18, 1976, in Chester, New Jersey, and he is 49 years old as of 2025.
He displayed an interest in invention at a tender age and used to spoil and construct.. Siminoff followed his passion of business by enrolling to Babson college which is one of the well-known business schools and graduated in 1999 with a Bachelor of science in entrepreneurship.
Profile Summary
| Full Name | James “Jamie” Siminoff |
| Date of Birth | October 18, 1976 |
| Age | 49 years old (as of 2025) |
| Gender | Male |
| Zodiac Sign | Libra |
| Place of Birth | Chester, New Jersey, U.S. |
| Current Residence | Los Angeles, California / Nantucket, MA |
| Nationality | American |
| Ethnicity | White / Caucasian |
| Sexuality | Straight |
| Profession | Inventor, Serial Entrepreneur, VP at Amazon |
| Height | Approx. 5 feet 10 inches (178 cm) |
| Weight | Approx. 80 kg (176 lbs) |
| Hair Colour | Dark Brown / Greying |
| Eye Colour | Brown |
| Father | David Ellis Siminoff |
| Mother | Not Public |
| Siblings | One Brother (John Siminoff) |
| School | Morristown Beard School (’95) |
| College | Babson College (B.S. in Entrepreneurship, ”99) |
| Marital Status | Married |
| Spouse | Erin Lindsey Siminoff |
| Children | One Son (Oliver Siminoff |
| Social Media | Active on LinkedIn, Instagram and X (Twitter) |
| Net Worth | Estimated $300 Million – $400 Million (2025) |
Jamie Siminoff’s Height and Weight
Jamie Siminoff, the founder of Ring, is of a strong and average figure. His approximate physical features are:
Height: His height is about 5 feet 10 inches (178 cm) tall.
Weight: His weight is approximated to be 80 kg (176 lbs).
Dark Brown hair (now greying) and Brown eyes characterize his physical appearance.
Jamie Siminoff’s background
Jamie Siminoff was born on 18 October 1976 in Chester Borough, New Jersey, the United States. Since his appearance on Shark Tank, Jamie has become famous.
As a boy, Siminoff was an inquisitive child and used to spend his time tinkering and creating things in his basement. His father, David Ellis Siminoff, was a co-owner of a steel plant making steel pipes for refineries. He has a brother, John Siminoff.
On remembering some details of his childhood, he talks frequently about how his parents contributed to his career choice. He constructed mini inventions with the tools of her father and dismantled the television sets after school as a child. He also made homemade knives, toy planes, traps to get rid of rodents with humane aims, blanket heaters, and remote control vehicles.
Career
Jamie Siminoff was a serial entrepreneur from the start, selling business plans at Babson College and founding his electronics company, Gadget Tronics. In 2011, he created the passion behind the Wi-Fi doorbell (then Ring) as he worked in his garage.
Siminoff appeared on Shark Tank in 2013 as the creator of the device, which was then known as DoorBot, but did not get a deal. The company experienced a short-term growth despite the rejection and eventually attracted external investors, with Richard Branson being one of them.. This growth culminated in Amazon’s acquisition of Ring for over $1 billion in 2018, marking one of Shark Tank’s biggest missed opportunities.
Siminoff later served as a Guest Shark. He left Ring in 2023 and co-founded a company, which became DOOR, taking on an Advisory Role on January 1, 2025. He even invests in brain cancer research, which was inspired by the diagnosis of his father.
Jamie Siminoff’s Net Worth and Current Status
Jamie Siminoff has an estimated net worth of $300 Million to $400 Million as of 2025. This fortune is largely a result of the sale of Ring to Amazon, from which he retained an estimated $110 million based on his retained equity.
After briefly stepping away from the CEO role, Siminoff rejoined Amazon in a key leadership position in 2023, now serving as a Vice President and leading Ring and Amazon’s home security businesses, showcasing his continued involvement in innovation
