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Team

Our cohesive and long-tenured team drives our culture and investing success.

Investment Team

Reginald L. Jones, III

Managing Partner & Co-Founder

Niall McComiskey

Managing Partner

Jill Raker

Managing Partner

Noah Roy

Managing Partner

Michael Weiss

Managing Partner

Noah Blitzer

Managing Director

Matt Burke

Managing Director

Michael Wang

Managing Director

Gerald Greenwald

Operating Partner & Co-Founder

John Anderson

Operating Partner

Nathan Irwin

Director

John Cofer

Principal

Benjamin Cox

Principal

Max Elgart

Principal

James Karle

Principal

Jack Morris

Principal

David Dyckman*

Senior Advisor

Thomas Escott*

Senior Advisor

John Hamilton*

Senior Advisor

Andrew Roberts*

Senior Advisor

Craig della Penna*

Senior Advisor

Andrew Hechtman

Associate

John Landry

Associate

Frances Sperry

Associate

Will Stewart

Associate

Andrew Witherell

Associate

John Zacher

Associate

Jonathan Zaremba

Associate

Harrison Blain

Analyst

Allison Hart

Analyst

Victoria Liu

Analyst

Clark Safran

Analyst

*Senior Advisors are not full-time employees of Greenbriar.

Executive Council*

Comprised of world-class global CEOs from across our industry sectors who invest alongside us and provide invaluable perspectives rooted in their deep experience.

*Members of the Executive Council are not full-time employees of Greenbriar.

Gerald Greenwald (Chair)
Former CEO & Chairman,
United Airlines
Norman R. Augustine
Former CEO & Chairman,
Lockheed Martin
Michael L. Eskew
Former CEO & Chairman,
United Parcel Service
Douglas R. Oberhelman
Former CEO & Executive Chairman,
Caterpillar
Sir John Rose
Former CEO,
Rolls Royce
Tim Solso
Former CEO & Chairman,
Cummins

Finance and Administration

Johanna Doherty
Managing Director, Investor Relations
John Clarke
Chief Financial Officer
Nicholas Stieber
Director, Legal & Compliance
Scott Parkis
Vice President, Technology
Ryan Southard
Controller
Francine Vitale
Manager, Compliance & Administration
Christina Wong
Controller, Management Company

Executive Assistants

Aimee Bester
Executive Assistant
Peggy Conway
Executive Assistant
Sofia Hodza
Executive Assistant
Barbara Palmer
Executive Assistant

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