Ben Slivka Net Worth 2026: Investor and DreamBox Co-Founder

No reputable publisher has estimated Ben Slivka's net worth. The $129 million figure that used to lead this page had no source, so it has been removed. What is documented explains why he is wealthy: Slivka joined Microsoft in 1985 when it was still a young company, spent 14 years there, started Microsoft's web browser team and led it through the release of version 3.0 of the browser, known as IE, then retired in 2000. He later co-founded the education company DreamBox Learning and has become an active angel investor.

What is Ben Slivka's net worth?

There is no estimate from Forbes, Bloomberg, Celebrity Net Worth or a major newspaper. His Microsoft stock holdings, the size of his startup investments and his family foundation's assets are not public in a form that adds up to a total. We therefore leave the figure blank rather than guess.

His own account of his hiring gives a sense of how Microsoft stock built wealth for early staff. On his blog he recalls that his 1985 offer was a $31,000 salary and options on 1,500 shares at $3 each, which the recruiter told him might one day be worth $20,000 to $30,000. Microsoft went public the following year, and he stayed until 2000.

Ben Slivka's income and investments

The old page gave him a $6 million yearly income. There was no source for it, and he has not had a salaried job since retiring in 2000, so it has been removed. His documented financial activity includes:

• Microsoft equity from 14 years at the company, 1985 to 1999.
• DreamBox Learning. He co-founded the Bellevue adaptive math company with Lou Gray and served as chairman, the Bellevue Reporter wrote in 2009. DreamBox was later backed by Owl Ventures and acquired by Discovery Education in 2023.
• Angel investing. He describes himself as an active angel investor and adviser in software, hardware, biotechnology and space, meeting dozens of founders a year. The earlier version of this page named specific startups, which we could not confirm in a published source, so we do not list them.
• Philanthropy. He and his wife run the Wissner-Slivka Foundation.

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Professional life

At Northwestern he worked full time at the Vogelback Computing Center while taking classes for his master's, according to his 2025 blog post marking 40 years since he joined Microsoft. He wrote to Microsoft in late 1984, sent code samples, interviewed in Bellevue in early 1985 and received an offer letter signed by Steve Ballmer.

The Bellevue Reporter's 2009 profile of DreamBox described an early product for kindergarten to second grade that was used free by 150 schools, built by Slivka as chairman and Lou Gray as CEO.

Philanthropy

In 2004 the University of Washington announced that Slivka and his wife, Lisa Wissner-Slivka, had given $1 million, matched with another $500,000, to create the Wissner-Slivka Endowed Chair in Computer Science and Engineering, first held by professor Henry Levy. Slivka has also written that he gave more than $7 million and 7,000 volunteer hours to Northwestern over five decades, including 14 years of hosting new-student parties at his home near Seattle.

Northwestern dispute

His relationship with Northwestern has been rocky. The Daily Northwestern reported in October 2012 that he apologized, as a trustee, for a heated Facebook exchange about race with a student. In essays published in 2023 and 2025, Slivka wrote that the university cut ties with him in 2022 and that he had stopped supporting it. We report only what the student paper and Slivka himself have published.

Early life and family

Slivka grew up in Seattle's Mount Baker neighborhood and graduated from Garfield High School, according to UW News. The old version of this page said he was born into a family of software engineers; we found no source for that and have removed it.

Ben Slivka's wife

He is married to Lisa Wissner-Slivka. The two met at Northwestern, where she earned a bachelor's in computer science; she later earned an MBA from the University of Washington and worked at Microsoft for six years as a program manager, UW News reported.

Education, age and height

He holds a bachelor's (1982) and a master's in computer science (1985) from Northwestern. The earlier page's age, height and weight figures (54, 5 feet 6 inches, 91 kg) had no source; a 1982 college graduation makes the age claim wrong. His birth date has not been published.

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Compared with other tech figures

Slivka's wealth traces to early employee equity rather than founding a giant company. Other software figures on this site include Carl Dvorak of Epic Systems and Bjarne Stroustrup, creator of C++.