William Geist - Email & Phone Number

Managing Partner at Upper90

William Geist is based out of New York, New York, United States and works at Upper90 as Managing Partner.

William Geist's Contact Information

William Geist's Work email

g*****@upper***.io

Valid

Latest update

June 9, 2026

Location

New York, New York, United States

William's current employer

Upper90

Description

Website

upper90.io

HQ Location

New York, New York, United States

Number of employees

11-50

Industry

Venture Capital And Private Equity Principals

Latest update

May 1, 2024

Read about Upper90

Frequent questions about William Geist

What company is William Geist working for?

William Geist works for Upper90.

What is William Geist's function at Upper90?

William Geist is Managing Partner at Upper90.

Where is William Geist based?

William Geist is based out of New York, New York, United States.

What is William Geist's work email address?

William Geist's professional email address is g*****@upper***.io

Who are William Geist's co-workers?

William Geist's colleagues are Loui Smith, Christine Connelly, Jason Finger, Billy Libby, Akshit Bhatia, Gregory Vilkin, James McCarthy, Alex Urdea, Trey Cobb, Haley Boyce, Lauren O'Leary, Alexander Gumer, John Sabat, Drew Pelletier, Evan Lee, Benjamin Toulotte, Liz Mason, Eric Hess, Lisa Mogilanski, Dallin Rosdahl, Austin McDonnell, Paul Appelbaum, Graham Buck, Danny Rosen, Maddie Fraser, Jaime O'Donnell.

William's co-workers

Loui Smith

Executive Assistant To The Chairman

Christine Connelly

Executive Assistant to Chief Executive Officer

VP, Technology & Data

Alex Urdea

Managing Partner - CIO

Trey Cobb

Vice President

Haley Boyce

VP of Investor Relations

Lauren O'Leary

Director of People and Culture

Alexander Gumer

Director of Strategy and Capital Markets

John Sabat

Advisory Committee Member

Drew Pelletier

Investor

Evan Lee

Portfolio Operations Intern

Benjamin Toulotte

Investor

Liz Mason

Executive Business Partner

Portfolio Analytics Associate

Danny Rosen

Investor Relations Associate

Maddie Fraser

Investor Relations Associate

Jaime O'Donnell

Investor Relations

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