Person profile
Lip-Bu Tan
Founder, Walden Catalyst Ventures
- Founded
- Walden Catalyst Ventures
- Backed
- Together, Celestial AI, Gimlet Labs +30 more
- Education
- Carnegie Mellon University, University of San Francisco, Massachusetts Institute of Technology +2 more
Investments 33
Companies backed, as recorded by Dealroom. Highest company valuations first.
Together
$8.3B valuation (2026)Unicorn
→
Celestial AI
$3.5B valuation (2026)Unicorn
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Gimlet Labs
$3B valuation (2026)Unicorn
→
Classiq
$2.3B valuation (2026)Unicorn
→
SiMa.ai
$1.4B valuation (2026)Unicorn
→
Pliops
$600M valuation (2022)
→
Ultraviolette Automotive
$510M valuation (2026)
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Contextual AI
$480M valuation (2024)
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Sail Research
$450M valuation (2026)
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Artera
$450M valuation (2025)
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RadixArk
$400M valuation (2026)
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Sycamore Labs
$390M valuation (2026)
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Show 21 more investmentsShow fewer investments
Cognichip
$360M valuation (2026)
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Hang Ten Systems
$318M valuation (2026)
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Aurascape
$300M valuation (2025)
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Speedata
$275M valuation (2025)
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NeoCognition
$240M valuation (2026)
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Engageli
$198M valuation (2021)
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Clockwork Systems
$186M valuation (2026)
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TWAICE
$180M valuation (2022)
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Ethereal Machines
$158M valuation (2026)
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Virtue AI
$135M valuation (2025)
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Nace AI
$129M valuation (2026)
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Alcion
$126M valuation (2023)
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LocalizeOS
$125M valuation (2023)
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GXC
$100M valuation (2023)
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DeepScale
$90M valuation (2018)
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Gravel
$84M valuation (2023)
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Pokee AI
$72M valuation (2025)
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SignalRank
$45.3M valuation (2024)
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Guardrails AI
$45M valuation (2024)
Variational AI
$33M valuation (2025)
TryNDBuy
$31.8M valuation (2025)
Companies founded
Walden Catalyst Ventures
Currently
Active roles, board seats and partnerships.
PsiQuantum
$7B valuation (2025)Unicorn
→
Salience Capital
Massachusetts Institute of Technology
Greenstone Biosciences
$61.2M valuation (2022)
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Intel
$332B valuation (2026)
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Celesta Capital
Fuller Theological Seminary
Nusemi
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Rivos
$1.5B valuation (2024)
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Green Hills Software
SambaNova Systems
$11B valuation (2026)Decacorn
→
Credo
$26.3B valuation (2026)Decacorn
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Carnegie Mellon University
Walden International
→
Work history
Past roles by Dealroom records.
SoftBank
$164B valuation (2026)
Aquantia
$222M valuation (2015)
→
Habana
$2B valuation (2019)Unicorn
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Hewlett Packard Pathfinder
HP Enterprise
$66.6B valuation (2026)
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Innovium
$1.1B valuation (2021)Unicorn
→
Quantenna Communications
$1.1B valuation (2019)Unicorn
→
Annapurna Labs
$370M valuation (2015)
Cadence Design Systems
$91.5B valuation (2026)
→
Nuvia
$1.4B valuation (2021)Unicorn
→
AMEC
$33.3B valuation (2026)Decacorn
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Ambarella
$2.7B valuation (2026)Unicorn
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INPHI
$10B valuation (2020)Decacorn
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Ryerson University
Sina
$120M valuation (1999)
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Education
Carnegie Mellon University
University of San Francisco
Massachusetts Institute of Technology
Nanyang Technological University
University of San Francisco
Talks 1
Interviews and talks Dealroom has written up, with the key moments.
