Tim Porter is a Managing Director at Madrona. He previously worked in corporate development at Microsoft and at the startup Teledesic.
What Tim can write
Writes checks ofNot reported
Comes in atPre-seed, Seed, Series A, Series BCan lead the round
Ownership target7-10%At first check
Pitch pageSubmit on their siteThe firm asks founders to apply here.
Career
- Teledesic
- Eagle River Investments
- Microsoft
- Madrona · Managing DirectorNow
Investments named in public bios
HighspotSoftricityFrontBridge TechnologiesProClarityWhale CommunicationsGiant Company Software
Focus
B2B softwareAI-native intelligent applicationsvertical AIsoftware infrastructuredeep tech
Also at Madrona
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One email when Tim's firm raises a fund, adds a partner or shows new activity.
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Raising a pre-seed or seed round? We write $1M to $5M first checks and help founders with distribution. A partner reads every deck.
Send your deckQuestions
Who is Tim Porter?
Tim Porter is a Managing Director at Madrona. He previously worked in corporate development at Microsoft and at the startup Teledesic.
How much does Tim Porter invest?
Madrona has not reported a check size. It invests at pre-seed, seed, series a, series b.
How do I pitch Tim Porter?
A warm intro from a founder Madrona backed works best.
What did Tim Porter do before Madrona?
Teledesic; Eagle River Investments; Microsoft.
Last updated 2026-10-15. Is this you? Ask for a correction.