James Siminoff, the innovative entrepreneur behind Ring, didn’t always have the fame and success that now precedes him. His career began humbly in the early 2000s, working for a small internet startup. It was here that Siminoff honed his skills in software development and digital marketing, laying the groundwork for his future endeavors.

James Siminoff’s Net Worth in 2025

As of 2025, James Siminoff’s net worth is estimated to be around $3.5 billion, according to Forbes. This significant wealth is largely attributed to his successful tech entrepreneurship.

James Siminoff’s Career

James Siminoff, born in 1976, is an American entrepreneur and CEO. He is best known for founding Ring, a home security company, in 2013. In 2018, Amazon acquired Ring for over $1 billion, making it one of the largest acquisitions in the smart home space.

James Siminoff’s Other Ventures

Before Ring, Siminoff founded a company called Simplify Mobile, which focused on creating mobile applications. He also co-founded a company called DoorBot, which later evolved into Ring. Currently, he serves as the CEO of Ring and is involved in various philanthropic initiatives.

James Siminoff’s Assets

Siminoff’s assets primarily include his stake in Ring, which is now a part of Amazon. He also owns real estate in the Seattle area, where Amazon’s headquarters are located. His investment portfolio includes stakes in various tech startups and venture capital funds.

James Siminoff’s Annual Income

As the CEO of Ring, Siminoff’s annual income is substantial. However, the exact figure is not publicly disclosed. According to industry estimates, his annual income could be in the range of tens of millions of dollars, given the success and scale of Ring.

Frequently Asked Questions about  James Siminoff

James Siminoff Net Worth FAQs

1. What is James Siminoff’s net worth?

As of 2021, James Siminoff’s net worth is estimated to be around $300 million.

2. How did James Siminoff make his money?

James Siminoff made his fortune as the founder and CEO of Ring, a home security company that was acquired by Amazon in 2018 for over $1 billion.

3. When was Ring acquired by Amazon?

Ring was acquired by Amazon on February 27, 2018.

4. What was the acquisition price for Ring?

The acquisition price for Ring was reported to be over $1 billion.

5. What is James Siminoff’s role at Amazon after the acquisition?

After the acquisition, James Siminoff continues to serve as the CEO of Ring, which operates as a subsidiary of Amazon.

6. What is James Siminoff’s background before founding Ring?

Before founding Ring, James Siminoff worked as an entrepreneur and inventor, with several patents to his name. He also appeared on the TV show Shark Tank in 2013, seeking investment for Ring.

7. When was Ring founded?

Ring was founded in 2011 by James Siminoff.

8. What is James Siminoff’s age?

James Siminoff was born on March 16, 1976, making him 45 years old as of 2021.

9. Where does James Siminoff live?

James Siminoff resides in Santa Monica, California.

10. What is James Siminoff’s philanthropic work?

James Siminoff is involved in various philanthropic efforts, including supporting education and entrepreneurship initiatives. He has also donated to disaster relief efforts through Ring’s products.