Investing Profile

Lip-Bu Tan

VCCEOInvestorAngel
Chairman at Walden International & founding Managing partner at Walden Catalyst Ventures
waldenintl.comSan Jose, California
Photo of Lip-Bu Tan, Investor at Walden International
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Current Investing Position
Walden International Investor
Investment Range
$100K - $5.0M
Sweet Spot
$1.5M
Investments On Record
73
Current Fund Size
$122.6M

Lip-Bu Tan is on these Sector & Stage Rankings

Lip-Bu Tan's Investments On Record (47)

CompanyStageDateRound SizeTotal Raised
Celestial AI
Series CMar 2025$250M
$580M
Co-investors: Tony Chao (Applied Ventures), Thomas Tull
C2i Semiconductors
Series UnknownNov 2024$47K
$47K
Contextual AI
Series AAug 2024$80M
SeedJun 2023$20M
$100M
Co-investors: Fraser Kelton (Spark Capital), Aaref Hilaly (Bain Capital Ventures), Sarah Guo (Conviction Partners), Marcie Vu (Greycroft), Nathan Benaich (Air Street Capital), Harry Stebbings (20VC), Elad Gil, Amjad Masad
SiMa.ai
Series BApr 2024$70M
Series BOct 2022$37M
Series BMay 2022$30M
$260M
Co-investors: Navin Chaddha (Mayfield), Jake Flomenberg (Wing Venture Capital), Mike Dauber (Amplify Partners), Daniel Docter (Dell Technologies Capital), Victor Hwang (Msd Capital)
Lamini
Series AApr 2024$25M
SeedApr 2024
$25M
Co-investors: Todd Jackson (First Round Capital), Andrew Ng (AI Fund), Pierre Lamond (Eclipse Ventures), Sarah Guo (Conviction Partners), Mike Dauber (Amplify Partners), Drew Houston, Dylan Field, Bernard Arnault
Guardrails AI
SeedFeb 2024$8M
$8M
Co-investors: Apoorva Pandhi (Zetta Venture Partners), Diego Oppenheimer
Asato
SeedDec 2023$8M
$8M
Co-investors: Anthony Lin (Intel Capital), Charles Giancarlo (Operator Collective), Amarjit Gill (Nepenthe Capital)
Gravel
Series UnknownDec 2023$14M
$14M
Co-investors: Carmen Chang (New Enterprise Associates (NEA))

most interested in

semiconductor/components, cloud/edge infrastructure, data management and security, and AI/machine machine learning

Lip-Bu Tan's Experience

Chairman A&E Investments, LLCPresent