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
Your Intro Paths to Tim Porter

Signal uses Gmail to reveal intro paths. Email content is never read.

Sign in with Google →
Networks Tim is a member of
Stanford University Graduate School of Business Network
304 CONNECTIONS
Microsoft Network
153 CONNECTIONS
MIT Network
45 CONNECTIONS

Find Tim Porter on

cb
Current Investing Position
Madrona Ventures Managing Director
Investment Range
$500K - $10.0M
Sweet Spot
$5.0M
Investments On Record
93
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
Lassen Peak
Series UnknownJan 2026$10M
Series ADec 2023$6M
$16M
Co-investors: Patrick J. Ennis (Madrona Ventures)
NewDays
SeedSep 2025$12M
$12M
Co-investors: Holly Maloney McConnell (General Catalyst)
Clarify AI
Series AJun 2025$15M
$15M
Clarify
Series AJun 2025$15M
$16M
Co-investors: Brett Hurt (Austin Ventures)
Eclypsium
Series CJan 2025$45M
Series BOct 2020$13M
Series ADec 2018$9M
$140M
Co-investors: Trina Van Pelt (Intel Capital), Sunil Kurkure (Intel Capital), Martin Casado (Andreessen Horowitz), Wesley Yiu (Alumni Ventures ), Baris Aksoy (AV8 Ventures), Alex Doll (Ten Eleven Ventures), Aviram Jenik (Rabbit Ventures)
KOSHERCO
Series ASep 2023$3M
$6.5M
Co-investors: Oren Etzioni (Madrona Ventures), Neil Sequeira (Defy Partners), Andrew Ng (AI Fund)
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), Jacob Colker (Allen Institute for Artificial Intelligence Incubator (AI2)), Sri Chandrasekar (Point72 Ventures), Matt Carbonara (Citi Ventures), Matt Carbonara

Tim Porter's Experience

Corporate Development Microsoft2003 - 2006

Tim Porter's Education

Stanford University Graduate School of Business MBA
MIT BS Mechanical Engineering