John Carmack

For other people named John Carmack, see John Carmack (disambiguation).

John Carmack
Carmack at the 2017 Game Developers Choice Awards
Born (1970-08-21) August 21, 1970 (age 54)[a]
Shawnee Mission, Kansas, U.S.[1]
Occupation(s)Computer programmer, video game developer, engineer
Employer(s)Keen Technologies (2023–present)
Oculus VR (2013–2022)
Known forCo-founding id Software
Commander Keen, Wolfenstein 3D, Doom, Quake, Rage
TitleConsulting CTO, Oculus VR[2][3]
Founder, Armadillo Aerospace
Spouse
​
​
(m. 2000; div. 2021)​
PartnerTrista DeLeon (2022–present)
Children2
Signature

John D. Carmack II[1] (born August 21,[a] 1970)[1] is an American computer programmer and video game developer. He co-founded the video game company id Software and was the lead programmer of its 1990s games Commander Keen, Wolfenstein 3D, Doom, Quake, and their sequels. Carmack made innovations in 3D computer graphics, such as his Carmack's Reverse algorithm for shadow volumes.

In 2013, he resigned from id Software to work full-time at Oculus VR as their CTO. In 2019, he reduced his role to Consulting CTO so he could allocate more time toward artificial general intelligence (AGI).[3] In 2022, he left Oculus to work on his AGI startup, Keen Technologies.[6]


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  1. ^ a b c d Orndorff, Patrick (August 20, 2008). "Happy Birthday John Carmack!". Wired – via wired.com.
  2. ^ McWhertor, Michael (November 22, 2013). "id Software founder John Carmack resigns". Polygon. Archived from the original on November 22, 2013.
  3. ^ a b Cite error: The named reference consultant was invoked but never defined (see the help page).
  4. ^ Carmack, John [@ID_AA_Carmack] (August 20, 2023). "Thanks for the birthday wishes, but Wikipedia has always had my birthday wrong — it is the 21st of August..." (Tweet). Archived from the original on August 20, 2023. Retrieved August 20, 2023 – via Twitter.
  5. ^ David Kushner (2004). "The Rocket Scientist". Masters of Doom: How Two Guys Created an Empire and Transformed Pop Culture. Random House. p. 18. ISBN 9780812972153. Archived from the original on August 20, 2023 – via Google Books.
  6. ^ Hays, Ashley Stewart, Kali. "John Carmack, the consulting CTO for Meta's virtual-reality efforts, is leaving. 'I wearied of the fight'". Business Insider. Retrieved December 17, 2022.{{cite web}}: CS1 maint: multiple names: authors list (link)