Investing Profile

Tim Porter(1)

VCInvestor
Managing Director at Madrona Ventures
madrona.com/team-profiles/tim...Seattle, Washington
Photo of Tim Porter, Managing Director at Madrona Ventures
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Networks Tim is a member of
Stanford University Graduate School of Business Network
304 CONNECTIONS
Microsoft Network
152 CONNECTIONS
MIT Network
45 CONNECTIONS

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Current Investing Position
Madrona Ventures Managing Director
Investment Range
$500K - $10.0M
Sweet Spot
$5.0M
Investments On Record
90
Current Fund Size
$2B

Tim Porter is on these Sector & Stage Rankings

AI (Series B)Developer Tools (Series B)Developer Tools (Series A)Developer Tools (Seed)Cloud Infrastructure (Series B)Data Services (Series B)Cloud Infrastructure (Series A)Data Services (Seed)Cloud Infrastructure (Seed)Data Services (Series A)AI (Seed)AI (Series A)Seattle / PortlandSaaS (Series B)Investors who invested in female foundersInvestors who invested in diverse foundersCybersecurity (Series B)Cybersecurity (Series A)Cybersecurity (Seed)Enterprise Applications (Series B)Enterprise Infrastructure (Seed)Enterprise Applications (Series A)Enterprise Infrastructure (Series A)Enterprise Infrastructure (Series B)Enterprise Applications (Seed)DeepTech (Series B)DeepTech (Series A)DeepTech (Seed)DeepTech (Pre-seed)Data Services (Pre-seed)Developer Tools (Pre-seed)Enterprise Infrastructure (Pre-seed)Cloud Infrastructure (Pre-seed)Enterprise Applications (Pre-seed)Cybersecurity (Pre-seed)AI (Pre-seed)SaaS (Pre-seed)Generative Tech/AI (Series A)Generative Tech/AI (Series B)Generative Tech/AI (Pre-seed)Generative Tech/AI (Seed)SaaS (Series A)SaaS (Seed)

Tim Porter's Investments On Record (31)

CompanyStageDateRound SizeTotal Raised
NewDays
SeedSep 2025$7M
$7M
Co-investors: Holly Maloney McConnell (General Catalyst)
Clarify AI
Series AJun 2025$15M
$15M
Eclypsium
Series CJan 2025$45M
Series BOct 2020$13M
Series ADec 2018$9M
$140M
Co-investors: Sunil Kurkure (Intel Capital), Trina Van Pelt (Intel Capital), Martin Casado (Andreessen Horowitz), Wesley Yiu (Alumni Ventures ), Baris Aksoy (AV8 Ventures), Alex Doll (Ten Eleven Ventures), Aviram Jenik (Rabbit Ventures)
Lassen Peak
Series ADec 2023$6M
$6M
Co-investors: Patrick J. Ennis (Madrona Ventures)
Outbound AI
SeedJun 2023$16M
$16M
Co-investors: Laura Rippy (Alumni Ventures )
Lexion
Series BApr 2023$20M
SeedJul 2019$4M
Pre-SeedMar 2019$1
$35M
Co-investors: Vinod Khosla (Khosla Ventures), Kanu Gulati (Khosla Ventures), Matt Carbonara (Citi Ventures), Sri Chandrasekar (Point72 Ventures), Jacob Colker (Allen Institute for Artificial Intelligence Incubator (AI2)), Matt Carbonara
Groundlight AI
SeedApr 2023$10M
$10M
Numbers Station
Series AMar 2023$13M
$13M
Co-investors: Jeff Hammerbacher, Diego Oppenheimer, Charles Zedlewski

Tim Porter's Experience

Corporate Development Microsoft2003 - 2006

Tim Porter's Education

Stanford University Graduate School of Business MBA
MIT BS Mechanical Engineering