Kyle Kosic
Kyle Kosic is an engineer who led the infrastructure behind xAI's Colossus supercomputer. He worked as a software engineer at OnScale and as a quantitative analyst at Lucena Research, and he joined OpenAI in 2021. In May 2023 he joined xAI as one of its founding members. In 2024 he left xAI to return to OpenAI. At Project Prometheus, a start-up Jeff Bezos founded in 2025, he works on AI infrastructure.
Timeline
-
By 2021
Software engineer at OnScale
He works as a software engineer at OnScale and as a quantitative analyst at Lucena Research, and in 2021 he joins OpenAI.
-
May 2023
A founding member of xAI
He joins xAI in May 2023 and is listed among its 12 founding members.
-
2023–2024
Colossus infrastructure at xAI
At xAI he leads the infrastructure behind the Colossus supercomputer until he leaves in 2024.
-
2024
Back at OpenAI
He returns to OpenAI in 2024 as a member of its technical staff.
-
2026
A move to Project Prometheus
In 2026 he joins Project Prometheus, a start-up Jeff Bezos founded in 2025 that focuses on AI in the physical world.
-
Since 2026
AI infrastructure at Prometheus
He works on AI infrastructure at Project Prometheus.
Sources and credits
Photo: We have no published photo of Kyle Kosic yet. Send us a free-licensed photo.
- Kyle Kosic - Wikipedia
- Elon Musk Announces xAI and Its 12-Man Team: Here’s Who They Are | Observer
- Ex-OpenAI Engineer Poached by Elon Musk’s xAI Has Returned to OpenAI | Observer
- Bezos' Project Prometheus hires xAI co-founder from OpenAI
- Bezos poaches xAI cofounder from OpenAI for his Project Prometheus startup - Sherwood News