Sean O'Brien - Email & Phone Number

Managing Director at Hellman & Friedman

Sean O'Brien is based out of Lexington, Massachusetts, United States and works at Hellman & Friedman as Managing Director.

Sean O'Brien's Contact Information

Sean O'Brien's Work email

s*****@hf***.com

Valid

Latest update

October 31, 2025

Location

Lexington, Massachusetts, United States

Sean's current employer

Hellman & Friedman

Description

Hellman & Friedman is a leading private equity firm focused on market-leading firms with growth potential. San Francisco, New York and Lo...

Website

hf.com

HQ Location

San Francisco, CA, United States

Number of employees

51-200

Industry

Financial Services

Latest update

April 30, 2024

Read about Hellman & Friedman

Frequent questions about Sean O'Brien

What company is Sean O'Brien working for?

Sean O'Brien works for Hellman & Friedman.

What is Sean O'Brien's function at Hellman & Friedman?

Sean O'Brien is Managing Director at Hellman & Friedman.

Where is Sean O'Brien based?

Sean O'Brien is based out of Lexington, Massachusetts, United States.

What is Sean O'Brien's work email address?

Sean O'Brien's professional email address is s*****@hf***.com

Who are Sean O'Brien's co-workers?

Sean O'Brien's colleagues are CN Campbell, Priscila Dolendi, Jessica Adams, Ashanti Smith, Jenny Huynh, Guillaume Moerbeke, Betty Szeto, Greg Why, Blake Kleinman, Dawn Angermaier, Julia Arnold, Kristine Martinez, Naoki Yoshida, Fariborz Fariborz, Adam Halpern-Leistner, Ted Akiskalos, Kees Wesdorp, Matt Eisen, Whitney Ping, Alexis Orenstein, Suzanne Kim, Lauren Cummings, Emily Lambert, Zita Saurel, Zomo Fisher, Kristen Green, Adrien Motte, Josh Gold, Sune Frandsen, Siru Niemi, Sonal Singla, Ana Keusch.

Sean's co-workers

CN Campbell

Office Of The CEO

Priscila Dolendi

Office of the Executive Chairman

Jessica Adams

Assistant CCO, Counsel

Ashanti Smith

Compliance Coordinator

Jenny Huynh

Human Resources Coordinator

Guillaume Moerbeke

Director

Betty Szeto

Director, People Operations

Director, Family Office

Julia Arnold

Director of Partner Services

Kristine Martinez

ESG and Sustainability Integration Lead

Adam Halpern-Leistner

Managing Director, Investor Relations

Head of Sustainability & ESG

Kristen Green

Director, Investor Relations

Director at Hellman & Friedman

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