Investing Profile

Lip-Bu Tan

VCCEOInvestorAngel

Chairman at Walden International & founding Managing partner at Walden Catalyst Ventures

waldenintl.comSan Jose, California

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Current Investing Position

Investment Range

$100K - $5.0M

Sweet Spot

$1.5M

Investments On Record

Current Fund Size

$122.6M

Lip-Bu Tan's Investments On Record (49)

Company	StageDateRound Size	Total Raised
Speedata	Series BJun 2025$44M Series ASep 2021$55M	$110M
Co-investors: Gil Goren (83North), Eyal Niv (Pitango Venture Capital), Michael Matias (Matias Ventures)
Virtue AI	SeedApr 2025 Series AApr 2025$30M	$30M
Co-investors: Guru Chahal (Lightspeed Venture Partners), Amarjit Gill (Nepenthe Capital)
Aurascape	Series AApr 2025$26M	$39M
Co-investors: Navin Chaddha (Mayfield), Sriram Viswanathan (Celesta)
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: Aaref Hilaly (Bain Capital Ventures), Fraser Kelton (Spark Capital), Sarah Guo (Conviction Partners), Marcie Vu (Greycroft), Nathan Benaich (Air Street Capital), Harry Stebbings (20VC), Amjad Masad
Lamini	SeedMay 2024 Series AApr 2024$25M	$25M
Co-investors: Todd Jackson (First Round Capital), Pierre Lamond (Eclipse Ventures), Sarah Guo (Conviction Partners), Andrew Ng (AI Fund), Mike Dauber (Amplify Partners), Dylan Field, Drew Houston, Bernard Arnault
SiMa.ai	Series BApr 2024$70M Series BOct 2022$37M Series BMay 2022$30M	$260M
Co-investors: Jake Flomenberg (Wing Venture Capital), Navin Chaddha (Mayfield), Mike Dauber (Amplify Partners), Daniel Docter (Dell Technologies Capital), Victor Hwang (Msd Capital)