Investing Profile

Tim Porter(1)

VCInvestor
Managing Director at Madrona
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
Goldman Sachs Network
1028 CONNECTIONS
Massachusetts Institute of Technology Network
625 CONNECTIONS
Microsoft Network
622 CONNECTIONS
Microsoft Network
622 CONNECTIONS
Stanford University Graduate School of Business Network
571 CONNECTIONS

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Current Investing Position
Madrona Ventures Managing Director
Investment Range
$500K - $10.0M
Sweet Spot
$5.0M
Investments On Record
95
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 (33)

CompanyStageDateRound SizeTotal Raised
NewDays
SeedSep 2026$5M
SeedSep 2025$12M
$17M
Eclypsium
Series CMar 2026$25M
Series CJan 2025$45M
Series BOct 2020$13M
Series ADec 2018$9M
$170M
Co-investors: Martin Casado (Andreessen Horowitz), Sunil Kurkure (Intel Capital), Wesley Yiu (Castor Ventures (an Alumni Ventures Fund)), Alex Doll (Ten Eleven Ventures), Baris Aksoy (AV8 Ventures), Trina Van Pelt (Intel Corporation), Aviram Jenik (Rabbit Ventures)
Lassen Peak
Series UnknownJan 2026$10M
Series ADec 2023$6M
$16M
Co-investors: Patrick J. Ennis (Madrona Venture Group)
Clarify AI
Series AJun 2025$15M
$15M
Clarify
Series AJun 2025$15M
$16M
Co-investors: Brett Hurt (Austin Ventures)
KOSHERCO
Series AMay 2025$1M
$1.5M
Co-investors: Neil Sequeira (Defy.vc)
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: Kanu Gulati (Khosla Ventures), Vinod Khosla (Khosla Ventures), Sri Chandrasekar (Point72 Ventures), Matt Carbonara (Reservoir Venture Partners), Jacob Colker (Allen Institute for Artificial Intelligence Incubator (AI2)), Matt Carbonara

Tim Porter's Experience

Director of Finance Alpify (Durcal)Present
Director of Finance Eagle RiverPresent
Summer Associate Goldman SachsPresent
Director, Corporate Development MicrosoftPresent
Managing Director MadronaPresent
Corporate Development Microsoft2003 - 2006

Tim Porter's Education

Massachusetts Institute of Technology BS Mechanical Engineering, Minor in Economics
Stanford University Graduate School of Business MBA
MIT BS Mechanical Engineering

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