Eliot Horowitz, born in 1976, began his career in the heart of Silicon Valley, California. After graduating from Stanford University with a degree in Computer Science, he joined the pioneering tech company, Google, in 1999. Here, he played a pivotal role in developing their search engine, contributing to its rapid growth and eventual dominance in the market.

In 2006, Horowitz took a leap of faith and co-founded Foursquare, a location-based social networking platform. The app, which allowed users to ‘check-in’ at various locations, quickly gained traction, reaching over 50 million users worldwide by 2012. This success catapulted Horowitz into the tech limelight, establishing him as a prominent figure in the industry.

Eliot Horowitz’s Current Net Worth in 2025

As of 2025, Eliot Horowitz’s net worth is estimated to be around $2.5 billion. This significant wealth is primarily attributed to his successful career in the technology industry, particularly his role as a co-founder and CTO of MongoDB, a leading open-source, NoSQL database provider.

Career

Eliot Horowitz’s career spans over two decades, with a strong focus on software development and database management. In 2007, he co-founded MongoDB, serving as its CTO and driving its growth into a market-leading database platform. Prior to MongoDB, Horowitz held technical roles at DoubleClick and BEA Systems.

Other Ventures

Beyond MongoDB, Horowitz has invested in various tech startups through his venture capital firm, 1843 Capital. He also co-founded and serves on the board of directors for Mlab, a MongoDB-as-a-service platform. Additionally, he is an active philanthropist, focusing on education and poverty alleviation initiatives.

Assets

Eliot Horowitz’s assets primarily consist of his 15% stake in MongoDB, valued at over $2 billion as of 2025. He also owns significant real estate properties, including a home in New York City and a vacation home in Martha’s Vineyard. His investment portfolio includes stakes in various tech companies and venture capital funds.

Annual Income

As of 2025, Eliot Horowitz’s annual income is estimated to be around $50 million. This includes his salary as CTO of MongoDB, dividends from his investments, and earnings from his venture capital activities. His income has seen a steady increase over the years, reflecting the growth and success of MongoDB and his other ventures.

Frequently Asked Questions about  Eliot Horowitz

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Frequently Asked Questions: Eliot Horowitz Net Worth

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1. What is Eliot Horowitz’s net worth?

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Eliot Horowitz’s net worth is estimated to be around $1 billion.

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2. How did Eliot Horowitz make his fortune?

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Eliot Horowitz co-founded MongoDB, a popular open-source NoSQL database, in 2007. He served as the company’s CTO until 2013 and has since been a board member. The success of MongoDB has significantly contributed to his wealth.

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3. What is Eliot Horowitz’s role at MongoDB?

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Eliot Horowitz is a board member at MongoDB. He co-founded the company and served as the CTO until 2013.

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4. When was MongoDB founded?

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MongoDB was founded in 2007 by Eliot Horowitz, Dwight Merriman, and Kevin Ryan.

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5. What is Eliot Horowitz’s educational background?

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Eliot Horowitz graduated from the University of Wisconsin-Madison with a Bachelor of Science degree in Computer Science.

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6. Has Eliot Horowitz received any awards or recognition?

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Yes, Eliot Horowitz has been recognized for his contributions to the tech industry. He was named to the Forbes 400 list in 2019 and has been included in the Forbes Midas List, which recognizes the world’s top tech investors.

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7. What is Eliot Horowitz’s investment portfolio like?

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Eliot Horowitz has invested in several tech startups through his venture capital firm, 10100. Some of his investments include Airbnb, SpaceX, and Stripe.

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8. Does Eliot Horowitz have any philanthropic endeavors?

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Yes, Eliot Horowitz has been involved in philanthropic efforts. He has donated to various causes, including education and healthcare, through his foundation, the Horowitz Family Foundation.

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9. What is Eliot Horowitz’s relationship with Dwight Merriman and Kevin Ryan?

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Eliot Horowitz, Dwight Merriman, and Kevin Ryan are all co-founders of MongoDB. They have worked together since the company’s inception in 2007.

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10. Where does Eliot Horowitz live?

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Eliot Horowitz lives in New York City, USA.