James Siminoff

CEO and Chief Inventor, Ring

Jamie is currently the CEO and Chief Inventor of Ring. He is also the Founder and CEO of the design laboratory, EdisonJr. Previously, Jamie was the Co-Founder and CEO of Unsubscribe, Inc. Unsubscribe.com is a technology platform to stop unwanted e-mail at the source. Before that, Jamie founded PhoneTag, the first voicemail to text service in the U.S., which was acquired by Ditech Networks (Nasdaq:DITC) in 2009. Prior to PhoneTag, Jamie founded and is still an active advisor to NobelBiz, a provider of telecommunications services to contact centers. Jamie has received numerous awards for his entrepreneurial accomplishments including being recognized as one of New York’s top six entrepreneurs by Crain’s Magazine (2007) and Laptop Magazine’s top ten mobile mavericks. Jamie holds a bachelor’s degree in entrepreneurship from Babson College in Wellesley, MA and went to Harvard Business School in Cambridge, MA where he bought a t-shirt that he still wears today.

Articles by James Siminoff

LA Tech Week 2025 Day 3 Recap: AI Search – Wednesday Oct 15

After two packed days exploring AI startup building and go-to-market growth, Day 3 of LA Tech Week shifted focus to the evolving world of AI Search, how new AI technologies...

LA Tech Week 2025 Day 2 Recap: Startup Growth – Tuesday Oct 14

After a packed AI Building Day, we continued LA Tech Week with Startup Growth Day, a full schedule of sessions focused on go-to-market strategy, founder journeys, and scaling startups in...

LA Tech Week 2025 Day 1 Recap: AI Building – Monday Oct 13

We hosted three full days of events during LA Tech Week, each one focused on helping founders learn, connect, and build with the latest in AI and startup growth. Day...

Using Customer Feedback to Build a Product that Customers Will Love

Customer feedback is the lifeblood of successful product development, but many startups struggle with collecting, validating, and prioritizing the constant stream of input from users, advisors, and internal teams. In...

How Shaun Merritt Vibe-Coded Karrot.ai As A Solo Builder

I recently had the opportunity to chat with Shaun Merritt, cofounder and CTO of Karrot.ai, a LinkedIn ABM tool. Shaun was kind enough to share a comprehensive breakdown of how...

7 Steps to Build a Product That Sells Itself

Learn the 7 steps to product-led growth (PLG) to build a product that sells itself. Drive activation, boost conversions, and scale efficiently with Wes Bush from ProductLed....