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Jon Mittelhauser

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Adapted from the English Wikipedia article Jon Mittelhauser, available under CC BY-SA 4.0Updated 9 August 2025
Jon E. Mittelhauser
BornError: Need valid birth date: year, month, day
OccupationTechnology executive
Known forDeveloping Windows version of NCSA Mosaic; co-founding Netscape

Jon E. Mittelhauser (born May 1970) is a technology executive renowned for his role in developing the Windows iteration of NCSA Mosaic and for co-founding Netscape.

Education

Mittelhauser completed his Bachelor of Science in Computer Science in 1992, followed by a master's degree in 1994, both from the University of Illinois at Urbana-Champaign. During his time there, he became a member of the Alpha Sigma Phi fraternity.

Career

While pursuing graduate studies in 1993, Mittelhauser collaborated with Chris Wilson at the National Center for Supercomputing Applications (NCSA) to develop the Windows version of NCSA Mosaic. He was among the original five developers on the Mosaic team, which included Marc Andreessen, Eric Bina, Aleks Totic, and Wilson. The version created by Mittelhauser and Wilson was the first browser to exceed one million downloads and is widely acknowledged as the pioneering mainstream web browser. Mittelhauser is often credited as one of the founding figures of web browsing technology.

Following his departure from the University of Illinois in 1994, Mittelhauser co-established Netscape Communications Corporation. Subsequently, he took on the role of Director of Engineering at Geocast Network Systems, a startup supported by investors such as Mayfield Fund, Kleiner Perkins Caufield & Byers, and Institutional Venture Partners.

He directed software development efforts at OnLive, Inc., managing its successful launch in 2010. Later that year, he stepped down as VP of Engineering but continued contributing as a member of its Technical Advisory Board.

In May 2012, Mittelhauser assumed the position of Vice President of Engineering at Nebula, Inc.. Between December 2014 and December 2016, he served as CEO of the company responsible for developing CloudBolt software.

As of , he holds the title of Vice President within the Container Native Group at Oracle Corporation.

Personal life

Mittelhauser resides in Silicon Valley with his two daughters. In 1999, together with former Netscape colleague Bill Foss, he co-founded The Basin restaurant located in Saratoga.