Jon Mittelhauser

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Jon E. Mittelhauser (born May 1970) is considered a founding father of the web browser.[1]

In 1993, as a graduate student at the University of Illinois, he co-wrote NCSA Mosaic for Windows with fellow student Chris Wilson while working at the National Center for Supercomputing Applications (NCSA).[2] Mittelhauser was part of the original team of 5 programmers of Mosaic which included: Marc Andreessen (Unix version), Eric Bina (Unix version), Aleks Totic (Mac version) and Chris Wilson (Windows version). The MS Windows version which Mittelhauser and Wilson wrote was the first browser with over a million downloads and is often pointed to as the first widely used web browser.

Mittelhauser attended the University of Illinois at Urbana-Champaign where he joined the Alpha Sigma Phi fraternity and graduated with a Bachelor of Science degree in Computer Science in 1992 and a master's degree in 1994.[3]

In May 1994, Mittelhauser left the University of Illinois and was one of the founders of Netscape Communications Corporation.

Mittelhauser is married with two daughters.


  • Jon was one of the founders of Netscape Communications Corporation. In addition to various engineering and engineering management positions, he was also the first marketing product manager for Netscape Navigator.[4]
  • Mittelhauser opened "The Basin" restaurant in Saratoga with fellow Netscape-er Bill Foss in 1999.[5]
  • After Netscape, Mittelhauser was Director of Engineering for Geocast Network Systems, a high profile start-up funded by Mayfield Fund, Kleiner Perkins Caufield & Byers, and Institutional Venture Partners[6]
  • Jon lead the software organization at OnLive, Inc. and managed their successful launch in 2010. He left at the end of 2010 as VP of Engineering and joined their Technical Advisory Board so he was free to pursue other ventures.
  • Jon was hired as the Vice President of Engineering for Nebula, Inc. on 5/1/2012.[7]
  • Jon accepted the position of Chief Executive Officer of CloudBolt Software,[8] a leading provider of next generation IT cloud management solutions, on 12/1/2014.[9]


  • Jon is on the board of directors of the national Prevent Cancer Foundation.[10]
  • Jon is on the advisory council for the "Bad Beat on Cancer" initiative.[11]

Other Interests[edit]


  • Jon did an AMA on Reddit in 2011 which presented a lot of interesting insights[3]
  • While at NCSA, Mittelhauser created the first ever NCAA pool online as a (free) demonstration site for the new web form functionality which the team had added to the various versions of Mosaic.[3]
  • Mittelhauser is believed to be the first person to ever have a URL in his email signature.[3]
  • Mittelhauser was the first person to ever see an image embedded within a web page. The NCSA team created the original specification for the IMG tag (much to many SGML purists horror) and the presence of Object Linking and Embedding in windows allowed that platform to support the new feature first. Prior to that time, images only existed on the web as files which were displayed in external applications.[3]
  • Mittelhauser joined eta chapter of Alpha Sigma Phi at University of Illinois at Urbana-Champaign in 1990.[3]