6x founder

Benjamin Finch

Co-Founder at Multiplier (YC P26)

Co-founder

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

in LinkedIn 𝕏 @btsfinch

2026Co-founder· Multiplier (YC P26)

Founder · since 2018

Company

Multiplier (YC P26)

Role

Co-Founder

current

Stage

—

no public source

Raised

—

no public source

Based

San Francisco, CA

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 · San Francisco, CA · 2026 – Present
2026
Intersection Research
Founder
Founder and Director · 2025 – 2026
2025
Sentient
Founder
CoS and Founding Researcher · New York, NY · 2024 – 2025
2024
Princeton University
Assistant Instructor in Electrical and Computer Engineering · 2023 – 2024
2023
Light House Cards
Founder
Founder · Princeton, New Jersey, United States · 2023 – 2024
2023
Tiger Sustainable Investment Group
Co-founder
Co-Founder, Managing Director · Princeton, New Jersey, United States · 2021 – 2023
2021
Princeton University
Energy Transition Macro Researcher and Engineer · Princeton, New Jersey, United States · 2022 – 2023
2022
ReNew Power
Strategy Intern · Delhi, India (Remote) · 2021
2021
bp
Project Intern · Houston, Texas, United States (Remote) · 2020
2020
EduTech
Founder
Founder · Jakarta, Indonesia · 2018 – 2019
2018

Bio

Before WithAI, Ben was the founding researcher and chief of staff at unicorn AI lab Sentient. He oversaw prompt security and multi-agent coordination work and built a million-strong community. He received a bachelor's and a master's in Electrical and Computer Engineering Magna Cum Laude from Princeton, writing acclaimed theses on solar power investment and a novel blockchain design to solve coordination issues in Energy. He grew up in Maryland, Mongolia, Kenya, and Indonesia.