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Shane Thomas

InvestorFounder

Founder at Mastra

San Francisco Bay Area

FoundedMastra · YC

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About

Shane Thomas founded Mastra after previously building Audiofeed, an AI podcasting platform. He has held roles as staff engineer and head of product at Gatsby, with over 15 years of open source development experience.

Likely email· guessed from name + firm domain, not firm-published

Founder at MastraYC W25

Intro paths

YC

Shane went through Y Combinator (Winter 2025) — any YC alum in your network can reach them through the YC community.

GP

Their group partner at YC was Gustaf Alstromer, General Partner at Y Combinator — the partner who ran Mastra's batch and knows the company first-hand. YC profile ↗

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In turn, Shane can intro founders to Mastra's investors below.

Mastra's investors · 30

Amjad Masadsince 2025Balaji Srinivasan$10K – $500K checks · since 2025Base Case CapitalSan Francisco · $1M – $5M checksBatch VenturesBroom VenturesSan Francisco · since 2025Clever CapitalDefy PartnersWoodside · $3M – $10M checks · since 2025Eight CapitalNorwalkFounders NetworkSan Francisco · since 2025Garuda VenturesSan Francisco · $500K – $1.5M checks · since 2025Gradient VenturesSan Francisco · $100K – $10M checks · since 2025Kleiner PerkinsMenlo Park · $500K – $15M checksLiquid VenturesSan Francisco · $250K – $5M checksLombardstreet VenturesWoodside · $500K checks · since 2025Moonfire VenturesLondon · since 2025Orange CollectiveDanville · since 2025Palm Drive CapitalNew York · $500K – $5M checks · since 2025Picks and Shovels (Picks & Shovels)Santa Monica · $100K checksPioneerToronto, OntarioRide HomeLynnwood · $100K – $5M checksRitual CapitalMenlo Park · $100K – $500K checks · since 2025Runa CapitalLuxembourg · $500K – $5M checks · since 2025SAV (Scale Asia Ventures)Palo AltoScript CapitalSan Francisco · $250K – $500K checks · since 2025Spark CapitalSan Francisco · $500K – $25M checks · since 2026SV AngelSan Francisco · $150K – $20M checks · since 2025Transpose Platform ManagementSan FranciscoVarion VenturesSan FranciscoY CombinatorSan Francisco · $500K checks · since 2025Zero Index

Co-founders at Mastra

SBSam Bhagwat
Sam BhagwatCEO
AAAbhi Aiyer
Abhi AiyerCTO

Investments

Per curated public sources.

Frequently asked questions

Who is Shane Thomas?
Shane Thomas founded Mastra after previously building Audiofeed, an AI podcasting platform. He has held roles as staff engineer and head of product at Gatsby, with over 15 years of open source development experience.
Where does Shane Thomas work?
Shane Thomas is Founder of Mastra.
What companies did Shane Thomas found?
Shane Thomas founded Mastra.
What companies has Shane Thomas invested in?
Investments tracked here include Roark, SubImage, Wildcard.

Founder mafias

Dakota State University mafia2

Also came through, then founded or led a company.

Mason BlakeBSCSFounded Car Genius AI +2

About this profile. Compiled from public sources — Mastra's own website and public professional profiles — and summarised by Fundraising Fox; every fact is kept with where it came from. Spotted an error, or would rather not be listed? Email privacy@fundraisingfox.com · How we build profiles · Your rights