2x founder

Ian McInnis

CEO @ Multiplier | ex-Bridgewater

Co-founder

WithAI· Spring 2026 🇺🇸 New York, New York, United States

in LinkedIn 𝕏 @imjmcinnis

2026Co-founder· Multiplier (YC P26)

Founder · since 2021

Company

Multiplier (YC P26)

Role

Co-Founder/CEO

current

Stage

—

no public source

Raised

—

no public source

Based

New York, New York, United States

current

Founder / co-founder — the company's markEmployee / research role

Source: LinkedIn work history

Profile coverage5 of 7 · missing posts, contact

WithAI

Agent harnesses for asset managers

Spring 2026

Experience

Career

Multiplier (YC P26)
Co-founder
Co-Founder/CEO · New York, New York, United States · 2026 – Present
2026
Bridgewater Associates
Investment Associate · New York, New York, United States · 2023 – 2026
2023
Tiger Sustainable Investment Group
Founder
Founding Partner · Princeton, New Jersey, United States · 2021 – 2023
2021
Bridgewater Associates
Investment Associate Intern · Westport, Connecticut, United States · 2022
2022
William & Mary
Mathematics Researcher · 2021
2021
Princeton University
Mathematics Researcher · Princeton, New Jersey, United States · 2020
2020
Mpala Research Centre
Primary Researcher · Laikipia, Kenya · 2019
2019
Harry Ransom Center
Assistant Curator · Austin, Texas, United States · 2016
2016

Bio

Princeton Mathematics, 4.0, Shapiro Prize, Behrman Fellow, ΦΒΚ early election, ΣΞ induction & outstanding research award, researcher (check ArXiV), novelist (check nowhere) | Investor and builder of LLM investment systems at Bridgewater Associates, the world's largest hedge fund | Classically trained Shakespearean actor