What check size does William Lee write?

William Lee typically writes checks of $500K – $1M.

Where did William Lee go to school?

William Lee studied at Imperial College London (MRes, Nanomaterials); Georgia Institute of Technology (Master of Science - MS, Data Science and Analytics); University of Toronto (BASc, Materials Science and Engineering).

William Lee

Former Scout at Fusion

United Kingdom

Writes $500K – $1M checks · typically $750K

Find your path to William

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Ask Jack Wang to introduce you to William

You →Jack · together at ACI.dev (2024–2026) →William

Ask Jamie Chen to introduce you to William

You →Jamie · 7 people · together at Fusion →William

Ask Sam Okafor to introduce you to William

You →Sam · 4 people · together at Imperial College London →William

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About

William Lee is co-founder of ACI.dev, where he works on AI agent infrastructure. He previously worked at McKinsey QuantumBlack and maintains involvement in a wine-enthusiast community in London.

Experience

ACI.devCo-Foundercurrent2024 — present
Shadow AICo-Founder2023 — 2024New York, New York, United States
QuantumBlack, AI by McKinseyProduct Manager2022 — 2023London, England, United Kingdom
McKinsey & CompanyAssociate / Jr. Engagement Manager2022 — 2023London, England, United Kingdom
McKinsey & CompanyJr. Associate2022London, England, United Kingdom
Fusion FundVenture Scout2022London, England, United Kingdom
Fusion FundInvestor2021 — 2022London, England, United Kingdom
Imperial College LondonBiomaterials Researcher2018 — 2021London, England, United Kingdom
HypercareCo-founder2016 — 2017Toronto, Canada Area

Skills & more

Python4C10Solidworks8NI LabVIEW7R3JavaScript2SolidWorks6Microsoft Office17SQL3AI Agents2Retrieval-Augmented Generation (RAG)3Leadership8

+12 more

Public SpeakingArtificial Intelligence (AI)Large Language Models (LLM)Data AnalysisResearchProduct ManagementMaterials ScienceCharacterizationProject ManagementFinancial ModelingMarket ResearchValuation

Languages English · Mandarin Chinese

From William's professional profile.

Network2

Auguste FagniezScout

Senior Associate at Fusion

Charlotte XiaScout

Senior Associate at Fusion

Investors connected to William in public investor directories — a warm-intro map.

Frequently asked questions

Who is William Lee?: William Lee is co-founder of ACI.dev, where he works on AI agent infrastructure. He previously worked at McKinsey QuantumBlack and maintains involvement in a wine-enthusiast community in London.
What check size does William Lee write?: William Lee typically writes checks of $500K – $1M.
Where did William Lee go to school?: William Lee studied at Imperial College London (MRes, Nanomaterials); Georgia Institute of Technology (Master of Science - MS, Data Science and Analytics); University of Toronto (BASc, Materials Science and Engineering).

Founder mafias

McKinsey & Company mafia922

Also came through, then founded or led a company.

Elad GilConsultantFounded Brain Co. +1 Mike SpeiserAssociateFounded Pure Storage +1 Fabrice GrindaConsultantFounded FJ labs Tony XuBusiness AnalystFounded DoorDash Alexandre ProtAssociateFounded Smartven +1 Inaki BerenguerAssociateFounded InfiniteWatch +2

+ 915 more →

Imperial College London mafia458

Also came through, then founded or led a company.

Nessan BerminghamDoctor of Philosophy - PhDFounded Korro Bio +2 Matej NovakUndergraduate Teaching AssistantFounded Assetario +2 David SchilanskyMScFounded One Biosciences +2 Sumon SadhuMscFounded Snaptalent +2 Usama FayyadMember of the Advisory Board of the Data Science InstituteFounded Ooda Health +1 Marion GaspermentBachelor’s DegreeFounded May Health +1

+ 451 more →

Georgia Institute of Technology mafia454

Also came through, then founded or led a company.

Ian CampbellMSAEFounded NextInput +3 Neil UnderwoodBSFounded Canapi Ventures +2 Lukasz GadowskiExchange SemesterFounded Spreadshirt +2 Sebastian ThrunHonorary DoctorateFounded Cresta +2 Bettina HeinMasters of Science in Computer ScienceFounded Juli +2 Eduardo NeeterMBAFounded Atdc +2

+ 447 more →

Fusion mafia6

Also came through, then founded or led a company.

Lu ZhangFounder and Managing PartnerFounded Fusionfund David GersterInvestment PartnerFounded Safehub Nick GunadyVenture FellowFounded Aerovy Liya Sharif LanciaAdvisor, Expert NetworkFounded Cercle Nicholas SaizVenture FellowFounded Teradar

Fusionfund mafia5

Also came through, then founded or led a company.

David GersterInvestment PartnerFounded Safehub Nick GunadyVenture FellowFounded Aerovy Liya Sharif LanciaAdvisor, Expert NetworkFounded Cercle Nicholas SaizVenture FellowFounded Teradar

Same school

Also attended Imperial College London898

Deji SasegbonVP, Platform & Portfolio Operations at EchoVC Partners Madison LenormandInvestor at Daphni Pauline BoucherInvestor at Daphni Loubaba El AyoubiInvestor at Northzone Giovanni MariggiInvestor at Medicxi Francois PrinslooInvestor at Medicxi

+ 892 more

Also attended Georgia Institute of Technology756

Brando De CourtenData Engineer at P101 Ventures Tom DyalCo-Founder at Redpoint Ventures Wouter Van de PutteInvestment Director at Capricorn Venture Partners Will McGinnisEntrepreneur and data science executive working at the intersection of AI/ML, technology, and business strategy Jaya GuptaInvestor at Foundation Capital James WangGeneral Partner at Creative Ventures

+ 750 more

Also attended University of Toronto771

Ilya SutskeverCo-founder of OpenAI; co-founder & CEO of Safe Superintelligence Nick FrosstCo-founder of Cohere Yasmin RazaviInvestor at Spark Capital Imran BashirFounding Partner, Chief Operating Officer at Extreme Venture Partners Karim GillaniGeneral Partner at Luge Capital Andrew MiklasGeneral Partner at Y Combinator

+ 765 more

Also attended Colonel By Secondary School4

Lindsay HamiltonInvestment Manager - Finance at Emerald Technology Ventures Ag Andy ZhangCo-Founder at Tower Kingsong ChenFounder at Scanate/Fellow Nancy TraversyExecutive Officer, Director at Barefoot Books

Shared employers

+ 20 more

Also worked at McKinsey & Company2,000

Ann Miura-KoCo-founding Partner at Floodgate Jeremy LiewPartner at Lightspeed Venture Partners Mike SpeiserManaging Director at Sutter Hill Ventures Jeremy LevinePartner at Bessemer Venture Partners Fabrice GrindaCo-founder & Managing Partner at FJ Labs Jeppe RindomCo-founder & CEO of Pleo

+ 1,994 more

Find your path to William

About

Experience

Skills & more

Network2

Frequently asked questions

Founder mafias

McKinsey & Company mafia922

Imperial College London mafia458

Georgia Institute of Technology mafia454

Fusion mafia6

Fusionfund mafia5

Same school

Also attended Imperial College London898

Also attended Georgia Institute of Technology756

Also attended University of Toronto771

Also attended Colonel By Secondary School4

Shared employers

Also worked at ACI.dev2

Also worked at Shadow AI1

Also worked at QuantumBlack, AI by McKinsey26

Also worked at McKinsey & Company2,000