![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>)
Fortuna: 11 M $ al 31/08/2026
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.
| Empresa | Fecha | Número de acciones | Valoración | Fecha de valoración |
|---|---|---|---|---|
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 |
| Empresas | Cargo | Inicio |
|---|---|---|
Greif U.S. Holdings, Inc.
 Greif U.S. Holdings, Inc. Containers/PackagingProcess Industries Manufactures containers and packaging systems | Director/Miembro de la Junta | - |
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. | Director/Miembro de la Junta | - |
The Open Group LLC
 The Open Group LLC Miscellaneous Commercial ServicesCommercial Services Provides program and consortia management information services | Director/Miembro de la Junta | - |
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 | - |
| Empresas | Cargo | Fin |
|---|---|---|
| GREIF, INC. | Director Administrativo | 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 |
Activas
Inactivas
Empresas cotizadas
Empresas privadas
Relaciones de 1er grado
Empresas vinculadas al 1er grado
Hombre
Mujer
Administradores
Ejecutivos
| Empresas privadas | 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 |
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