Wikipedia: David Baszucki

David Baszucki (born January 20, 1963), known on the platform as david.baszucki, is the founder of Roblox alongside Erik Cassel, and is currently the company's CEO. He formerly used the builderman account but has long since abandoned it in favor of this one. He has four children and currently resides in Portola Valley, California.[1]


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The Interactive Physics software incorporated parts, hinges ropes and springs.

Before he helped create Roblox, Baszucki founded the now-defunct company "Knowledge Revolution". Here, Baszucki helped create a physics simulator called "Interactive Physics", which later sold millions of copies and of which Roblox was inspired from.

After Knowledge Revolution was bought by MSC Software for 20 million dollars, he became the Vice President and General Manager of MSC Software, where he was in charge of the desktop simulation division.

Baszucki left MSC Software after a few years and then went on to develop Dynablocks (which would soon become Roblox), along with co-founder Erik Cassel who also held a senior position in the company.


Baszucki was a General Motors scholar in Electrical Engineering at Stanford University.


This section is a trivia section. Please relocate any relevant information into other sections of the article.

  • His join date is not visible as being in 2004 due to the ways information is displayed on the frontend. (actual date May 5, 2007)
  • David is friends with some unknown people with no place visits, an example being sancho101. This is due to a game exploit in 2015 allowing users to make the game think they are using another account. The two users then friend each other and are added to the "fake" accounts.
  • David.baszucki is one of the only five users with a period in his name; the other four being erik.cassel, Predator.John123, YUKI.N, and foot.longer.
  • David's join date is July 2004 instead of February 27, 2006, due to a glitch that set 2004 users' join dates to February 27, 2006.
David Baszucki RDC 2015

David Baszucki in real life, at the 2015 Roblox Developer Conference


David Baszucki seen wearing a costume on the Happy Halloween from the ROBLOX staff blog post.


David Baszucki seen speaking at RDC 2018


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