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Chen Tianshi
Summary
Chen Tianshi is the chairman, CEO, and co-founder of Cambricon Technologies, a Beijing-based designer of artificial-intelligence processor chips often compared to Nvidia. He and his elder brother, Chen Yunji, founded the company in March 2016 as a spinout of the Chinese Academy of Sciences' Institute of Computing Technology, where both had worked as researchers. Chen earned a bachelor's degree in mathematics in 2005 and a PhD in computer science in 2010, both from the University of Science and Technology of China, and co-developed the DianNao line of neural-network accelerator architectures that underpin Cambricon's chip designs.
His fortune, concentrated in his stake in Cambricon, expanded sharply as the company's Shanghai-listed shares surged amid Beijing's push for domestic AI-chip self-sufficiency following Cambricon's addition to the US Commerce Department's Entity List in December 2022.
Business Relationships
Chen Tianshi co-founded Cambricon Technologies in March 2016 with his elder brother, chief scientist Chen Yunji, with whom he had co-developed the DianNao accelerator architecture at the Chinese Academy of Sciences. The Academy's Institute of Computing Technology, where both brothers worked as researchers before founding Cambricon, retains a minority stake in the company.
Ownership
Chen Tianshi holds roughly 28 to 29 percent of Cambricon's shares and serves as chairman, CEO, and general manager. In September 2023, after several early venture-capital shareholders had cashed out a combined CNY 6.6 billion in Cambricon stock since their pre-IPO shares became tradable in July 2021 despite continuous annual losses and no cash dividends, Chen voluntarily committed not to sell any of his 119.5 million directly held shares through the end of 2024; new China Securities Regulatory Commission rules issued that same month independently barred controlling shareholders of non-dividend-paying companies from selling on the secondary market regardless.
Family & Heirs
Chen Tianshi's elder brother is Chen Yunji, a fellow computer scientist who co-founded Cambricon Technologies with him in 2016 and now heads the Chinese Academy of Sciences' Laboratory of Processors.
Evidence
2023-07-31 - 😈 - Cambricon is reported to have cut hundreds of jobs in April 2023 without providing employees severance pay
Analysis
Chen Tianshi's scientific record is substantial: he is the second-listed contributor on the deep-learning-processor architecture research that won China's 2020 State Natural Science Award, second class, and the DianNao accelerator paper he co-authored at the Chinese Academy of Sciences received an ACM ASPLOS Influential Paper Award a decade after publication. He has also directed Cambricon to fully fund an undergraduate "Interdisciplinary Talent Class" program at his and his brother's alma mater, and personally committed not to sell his own Cambricon shares through 2024 amid investor anger over a wave of venture-capital cash-outs, though the pledge was announced just before new regulation would have barred the sale anyway.
Set against this, Cambricon and seven of its subsidiaries were added to the US Commerce Department's Entity List in December 2022 for acquiring or attempting to acquire US-origin technology in support of China's military modernization, a designation that restricts the company's access to US-origin chipmaking technology. The company's treatment of its workforce under his leadership has drawn repeated scrutiny: in 2023 it laid off nearly half the staff at its SingGo self-driving chip unit, its second round of cuts that year, after reportedly cutting hundreds of jobs that April without severance pay. Cambricon's former chief technology officer later sued the company for CNY 4.3 billion in 2025, alleging it reneged on an equity incentive plan and forced his 2022 resignation in violation of his labor contract; the case remains unresolved and does not personally name Chen as a defendant.
Questions
Cambricon's Entity List designation names the company, not Chen personally. How much personal responsibility should a founder-CEO bear for a listed rationale, supporting "China's military modernization," that he has not publicly disputed or addressed?
Chen's pledge not to sell Cambricon shares was announced just before new regulation would have blocked the sale anyway. Does the gesture still carry weight as a signal of confidence to retail investors, or should it be read mainly as a response to the criticism aimed at exiting venture-capital shareholders?