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Sean Miller

Founder

CTO at Tandem

San Francisco Bay Area

FoundedTandem · YC

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About

Sean Miller founded Blueberry in the W18 batch and is currently building Tandem, which launched in S24.

CTO at TandemYC S24

Intro paths

YC

Sean went through Y Combinator (Summer 2024) — any YC alum in your network can reach them through the YC community.

GP

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

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In turn, Sean can intro founders to Tandem's investors below.

Tandem's investors · 36

1984 Ventures Management, LlcSan Francisco · $750K – $1M checksAccelPalo Alto · $500K – $100M checks · since 2026Agrolimen VenturesBlackbird VenturesSydney · $149K – $60M checksBright VenturesNew YorkBrighteye VenturesLondonBynd Venture CapitalLisbonCanvas VenturesPortola Valley · $5M – $20M checksCapitalize VCChicago · $100K – $200K checksCollide CapitalNew York · $250K – $1M checksCorazon CapitalChicago · $150K – $500K checksCourtyard VenturesBerkeley · $50K – $100K checksEnjoyventure ManagementMülheim an der RuhrEQTNew YorkFrontline VenturesSan Francisco · $540K – $3.2M checksGeneral CatalystSan Francisco · $30M checks · since 2026Icehouse VenturesAuckland · $120K – $2.4M checksJ4 VenturesNew YorkKinnevikStockholmMAGIC FundLos Angeles · $50K – $5M checksMaiora Rebel VenturesNorthzoneLondon · $1M – $50M checksPioneerToronto, OntarioRebel FundSan Francisco · $100K – $5M checksRice CapitalCovinaRoute 66 VenturesAlexandria · $500K – $4M checksRubyLightRigaSoma CapitalSacramento · $100K – $300K checksSOSVNew York · $30K – $550K checksStoryHouseSistersThe 23 FundThe MBA FundTheory VenturesSan Francisco · $1M – $40M checksThrive CapitalNew York · $500K – $25M checks · since 2026Trind VenturesTallinn · $108K – $1.1M checksY CombinatorSan Francisco · $500K checks · since 2024

Co-founders at Tandem

RSRafi Sands
Rafi SandsCEO
BSBrendan Suh
Brendan SuhFounder
BL
Ben LowensteinProduct
CBChristophe Barre
Christophe BarreFounder
AH
Al Harth Al-janabyFounder
BFBernat Fortet Unanue
Bernat Fortet UnanueFounder
JJ
James Jarrett WalkerFounder
LH
Lauren HumphreyFounder

Frequently asked questions

Who is Sean Miller?
Sean Miller founded Blueberry in the W18 batch and is currently building Tandem, which launched in S24.
Where does Sean Miller work?
Sean Miller is CTO of Tandem.
What companies did Sean Miller found?
Sean Miller founded Tandem.

Founder mafias

About this profile. Compiled from public sources — Tandem'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