Where does Ian McInnis work?

Ian McInnis is Founder of Multiplier.

What companies did Ian McInnis found?

Ian McInnis founded Multiplier.

Where did Ian McInnis go to school?

Ian McInnis studied at Princeton University (Bachelor's degree, Mathematics); Phillips Exeter Academy (High School Diploma).

Ian McInnis

Founder

Founder at Multiplier

San Francisco, California, United States

FoundedMultiplier · YC

About

Ian McInnis studied mathematics at Princeton and worked as an investor and systems builder focused on large language models at Bridgewater Associates. He has background in classical acting and has published research work.

Founder at Multiplier YC X26

Intro paths

Ian went through Y Combinator (Spring 2026) — any YC alum in your network can reach them through the YC community.

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

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In turn, Ian can intro founders to Multiplier's investors below.

Multiplier's investors · 2

GoAhead VenturesMenlo Park · $500K – $1M checks Y CombinatorSan Francisco · $500K checks · since 2026

Co-founders at Multiplier

Benjamin FinchFounder

Ben FinchCo-founder, CTO, President

Co-founder, CTO, President at Multiplier YC X26

Intro paths

Ian went through Y Combinator (Spring 2026) — any YC alum in your network can reach them through the YC community.

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

→

In turn, Ian can intro founders to Multiplier's investors below.

Multiplier's investors · 2

GoAhead VenturesMenlo Park · $500K – $1M checks Y CombinatorSan Francisco · $500K checks · since 2026

Co-founders at Multiplier

Ian McInnisFounder

Benjamin FinchFounder

Experience

WithAICo-Foundercurrent2026 — presentSan Francisco, CA
Bridgewater AssociatesInvestment Associate2023 — 2026New York, NY
Tiger Sustainable Investment GroupFounding Partner2021 — 2023Princeton, NJ
Bridgewater AssociatesInvestment Associate Intern2022Westport, CT
William & MaryMathematics Researcher2021
Princeton UniversityMathematics Researcher2020Princeton, New Jersey, United States
Mpala Research CentrePrimary Researcher2019Laikipia, Kenya
Harry Ransom CenterAssistant Curator2016Austin, Texas, United States

Skills & more

Fundamental AnalysisTeam ManagementRecruitingFundraisingArtificial Intelligence (AI)Digital TransformationInvestment ManagementCategory TheoryLogicAnt-wranglingLaboratory SkillsField Work

+12 more

Design of Experiments (DOE)Research WritingLiterature ReviewsLinear AlgebraArchival ResearchContent CurationPythonMicrosoft ExcelPython (Programming Language)Oral CommunicationWritingRapid Learning

From Ian's professional profile.

Frequently asked questions

Who is Ian McInnis?: Ian McInnis studied mathematics at Princeton and worked as an investor and systems builder focused on large language models at Bridgewater Associates. He has background in classical acting and has published research work.
Where does Ian McInnis work?: Ian McInnis is Founder of Multiplier.
What companies did Ian McInnis found?: Ian McInnis founded Multiplier.
Where did Ian McInnis go to school?: Ian McInnis studied at Princeton University (Bachelor's degree, Mathematics); Phillips Exeter Academy (High School Diploma).