Jonathan Simas was a Designer at Sledgehammer Games. He worked on the testing for the Spec Ops mode for Call of Duty: Modern Warfare 3 during the development in 2010. He was transitioned to Designer and developed a number of systems in Call of Duty: Advanced Warfare Multiplayer mode, including the dynamic events in the map Recovery.
In April, 2016, Jonathan Simas unfortunately died of natural disease at his home in Hayward, California.
- During the Call of Duty: WWII reveal livestream, "JSimas" can be seen in the sneak-peek to the game's new Headquarters mode.
- ↑ https://community.activision.com/t5/Sledgehammer-Games/IN-MEMORY-OF-JONATHAN-SIMAS-DESIGNER-SLEDGEHAMMER-GAMES/ba-p/9940067