Jonathan Kieffer

Jonathan Kieffer has extensive experience in game engineering, currently serving as a Staff Game Engineer at Lumos Labs (Lumosity) since January 2022, and previously held the position of Senior Game Engineer. In addition to this role, Jonathan Kieffer is a co-owner and Engineer at Kieffer Bros., a position held since September 2008. Prior experience includes being a Senior Game Engineer and Game Engineer III at Filament Games from May 2016 to May 2021.