![Gary Martz](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
Gary Martz
Direttore/Membro del Consiglio presso
Greif U.S. Holdings, Inc.
Patrimonio netto: 11 M $ in data 31/08/2026
Profilo
Gary R.
Martz currently serves as Secretary & Director at Greif U.S.
Holdings, Inc., Director at The Open Group LLC, Member-National Council at Michael E.
Moritz College of Law, Member-Leadership Circle at One Columbus, and Trustee at Dawes Arboretum.
Former roles include President at Soterra LLC from 2005 to 2013, Partner at Baker & Hostetler LLP, and Executive Vice President at Greif, Inc. in 2025.
Education includes undergraduate studies at the University of Toledo (Ohio) and graduate studies at Michael E.
Moritz College of Law.
Partecipazioni note in società pubbliche
| Società | Data | Numero di azioni | Valutazione | Data di valutazione |
|---|---|---|---|---|
GREIF INC CLASS A 0,38% | 29/12/2025 | 95.056 ( 0,38% ) | 8 M $ | 31/08/2026 |
GREIF INC CLASS B 0,13% | 29/12/2025 | 28.100 ( 0,13% ) | 3 M $ | 31/08/2026 |
Posizioni attive di Gary Martz
| Società | Posizione | Inizio |
|---|---|---|
Greif U.S. Holdings, Inc.
 Greif U.S. Holdings, Inc. Containers/PackagingProcess Industries Manufactures containers and packaging systems | Direttore/Membro del Consiglio | - |
Dawes Arboretum
 Dawes Arboretum Other Consumer ServicesConsumer Services Dawes Arboretum is a nearly 2,000-acre protected natural haven dedicated to tree and habitat conservation, education, and public engagement. The private company is based in Newark. It originated from a 140-acre farm called “Woodland” and has grown to encompass over 50,000 trees and nearly 14,000 living trees and shrubs representing thousands of species, including four nationally accredited plant collections. The arboretum emphasizes habitat restoration, invasive species control, plant conservation science, and sustainable natural resource management, collaborating with conservation organizations and sharing plant data and seeds. It preserves significant historical collections related to the Dawes family and local heritage, featuring sites like the Daweswood House Museum and History Center. General admission and membership options provide access to the grounds, events, and discounts. | Direttore/Membro del Consiglio | - |
The Open Group LLC
 The Open Group LLC Miscellaneous Commercial ServicesCommercial Services Provides program and consortia management information services | Direttore/Membro del Consiglio | - |
One Columbus
 One Columbus Miscellaneous Commercial ServicesCommercial Services Engages in promotion of economic development | Corporate Officer/Principal | - |
Michael E. Moritz College of Law
 Michael E. Moritz College of Law Other Consumer ServicesConsumer Services Functions as a College/University | Corporate Officer/Principal | - |
Precedenti posizioni note di Gary Martz
| Società | Posizione | Fine |
|---|---|---|
| GREIF, INC. | Direttore Amministrativo | 07/05/2015 |
Soterra LLC
 Soterra LLC Forest ProductsNon-Energy Minerals Operates timber tract | Presidente | 01/05/2013 |
Baker & Hostetler LLP
 Baker & Hostetler LLP Miscellaneous Commercial ServicesCommercial Services Provides legal services | Corporate Officer/Principal | 01/01/2002 |
Formazione di Gary Martz
Esperienze
Posizioni ricoperte
Attive
Inattive
Società nel listino
Aziende private
Relazioni
60
Relazioni di 1° grado
9
Aziende connesse in 1º grado
Uomo
Donna
Amministratori
Dirigenti
Società collegate
| Aziende private | 9 |
|---|---|
Greif, Inc.
 Greif, Inc. Containers/PackagingProcess Industries Provides industrial packaging products and services | Process Industries |
Greif U.S. Holdings, Inc.
Greif U.S. Holdings, Inc. Containers/PackagingProcess Industries Manufactures containers and packaging systems | Process Industries |
Soterra LLC
Soterra LLC Forest ProductsNon-Energy Minerals Operates timber tract | Non-Energy Minerals |
Baker & Hostetler LLP
Baker & Hostetler LLP Miscellaneous Commercial ServicesCommercial Services Provides legal services | Commercial Services |
University of Toledo (Ohio)
 University of Toledo (Ohio) Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
The Open Group LLC
The Open Group LLC Miscellaneous Commercial ServicesCommercial Services Provides program and consortia management information services | Commercial Services |
Michael E. Moritz College of Law
Michael E. Moritz College of Law Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
One Columbus
One Columbus Miscellaneous Commercial ServicesCommercial Services Engages in promotion of economic development | Commercial Services |
Dawes Arboretum
Dawes Arboretum Other Consumer ServicesConsumer Services Dawes Arboretum is a nearly 2,000-acre protected natural haven dedicated to tree and habitat conservation, education, and public engagement. The private company is based in Newark. It originated from a 140-acre farm called “Woodland” and has grown to encompass over 50,000 trees and nearly 14,000 living trees and shrubs representing thousands of species, including four nationally accredited plant collections. The arboretum emphasizes habitat restoration, invasive species control, plant conservation science, and sustainable natural resource management, collaborating with conservation organizations and sharing plant data and seeds. It preserves significant historical collections related to the Dawes family and local heritage, featuring sites like the Daweswood House Museum and History Center. General admission and membership options provide access to the grounds, events, and discounts. | Consumer Services |
