Sean Lie is a co-founder and the CTO of Cerebras, the company that builds wafer-scale processors and systems for AI training and inference. Lie co-founded Cerebras in 2015 with Andrew Feldman, Gary Lauterbach, Michael James and Jean-Philippe Fricker, and has presented the company's wafer-scale architecture at the Hot Chips symposium, including the first Wafer Scale Engine in 2019.1234
At a glance
- Current role
- CTO and co-founder
- Company
- Cerebras
- Sector
- Company
- Work listed
- 2
- Sources cited
- 4
- Profile reviewed
Cerebras
Lie is one of the five people Cerebras names as founding the company in 2015 with the aim of bringing wafer-scale computing to market, and the company's leadership page lists Lie as CTO and co-founder. Cerebras's history lists the WSE-1 and CS-1, WSE-2 and CS-2, and WSE-3 and CS-3 generations, followed by the CS-4 system in 2026.1
Technical presentations
Lie has described Cerebras's hardware at the Hot Chips symposium on high-performance chips. In 2019 Lie presented the first Wafer Scale Engine at Hot Chips 31, in 2021 presented "The Multi-Million Core, Multi-Wafer AI Cluster" at Hot Chips 33, and in 2022 gave a deep dive into the Cerebras architecture and its hardware and software co-design at Hot Chips 34.234
Work and contributions
Cerebras Wafer Scale Engine Proprietary product
Presented "Wafer-Scale Deep Learning", the introduction of the Cerebras Wafer Scale Engine, at Hot Chips 31 in 2019.2
Cerebras architecture Proprietary product
Presented "Cerebras Architecture Deep Dive - First Look Inside the HW/SW Co-Design for Deep Learning" at Hot Chips 34 in 2022, after presenting a multi-wafer AI cluster at Hot Chips 33.43
Timeline
- Co-founded Cerebras with Andrew Feldman, Gary Lauterbach, Michael James and Jean-Philippe Fricker.1
- Presented the Cerebras Wafer Scale Engine at Hot Chips 31.2
- Presented "The Multi-Million Core, Multi-Wafer AI Cluster" at Hot Chips 33.3
- Presented a deep dive into the Cerebras architecture at Hot Chips 34.4
Where they work
- Cerebras 2 people in the wiki
Related people
- Andrew FeldmanAlso at Cerebras
- Chase LochmillerChips and hardware · Training systems
- Kunle OlukotunChips and hardware · Training systems
- David PattersonChips and hardware · Training systems
- Michael CarbinTraining systems · Chips and hardware
- Naveen RaoChips and hardware · Training systems
- Emily WebberTraining systems · Chips and hardware
- Fidelma M. RussoChips and hardware · Training systems
- Cully CavnessChips and hardware · Training systems
- Stephen BalabanChips and hardware · Training systems
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References
4 sources · profile reviewed Oct 22, 2026 · data updated Oct 22, 2026