![John Gellert](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>)
John Gellert
Vorstandsvorsitzender bei
SEACOR MARINE HOLDINGS INC.
Vermögen: 12 Mio $ am 31.08.2026
Profil
John Matthew Gellert is President, Chief Executive Officer & Director at Seacor Marine Holdings, Inc. since 2017 and has been with the company since 2014.
Holds the position of Vice Chairman at The National Ocean Industries Association.
Serves as Director at Offshore Marine Service Association, International Support Vessel Owners' Association, Seacor Capital (UK) Ltd., Stirling Offshore Ltd., and Dynamic Offshore Drilling Ltd. Acts as Principal at SEACOR Marine LLC and President at SEACOR Marine Foreign Holdings, Inc. Formerly Director at Stirling Shipping Co. Ltd. from 2001 to 2018.
Served as Director at Era Group, Inc. Held the role of Co-Chief Operating Officer at SEACOR Holdings, Inc. from 2015 to 2017.
Completed undergraduate education at Harvard College in 1992.
Bekannte Unternehmensbeteiligungen
| Unternehmen | Datum | Anzahl der Aktien | Bewertung | Datum der Bewertung |
|---|---|---|---|---|
| 14.04.2026 | 1 301 026 ( 4,8 % ) | 12 Mio $ | 31.08.2026 |
Aktive Positionen von John Gellert
| Unternehmen | Position | Beginn |
|---|---|---|
| SEACOR MARINE HOLDINGS INC. | Vorstandsvorsitzender | 15.12.2014 |
SEACOR Marine LLC
 SEACOR Marine LLC Other TransportationTransportation Operates oil and gas field exploration & marine support vessels | Corporate Officer/Principal | - |
Dynamic Offshore Drilling Ltd.
 Dynamic Offshore Drilling Ltd. Contract DrillingIndustrial Services Provides drilling services | Direktor/Vorstandsmitglied | - |
International Support Vessel Owners' Association | Direktor/Vorstandsmitglied | - |
Seacor Capital (UK) Ltd.
 Seacor Capital (UK) Ltd. Financial ConglomeratesFinance Functions as investment holding company | Direktor/Vorstandsmitglied | - |
Stirling Offshore Ltd.
 Stirling Offshore Ltd. Marine ShippingTransportation Provides sea and coastal freight water transportation services | Direktor/Vorstandsmitglied | - |
SEACOR Marine Foreign Holdings, Inc.
 SEACOR Marine Foreign Holdings, Inc. Finance/Rental/LeasingFinance Provides loan services | Präsident | - |
Offshore Marine Service Association
 Offshore Marine Service Association Miscellaneous Commercial ServicesCommercial Services Operates as association, which provides offshore marine transportation service | Direktor/Vorstandsmitglied | - |
The National Ocean Industries Association
 The National Ocean Industries Association Miscellaneous Commercial ServicesCommercial Services The National Ocean Industries Association is a non-profit company based in Washington, DC. | Direktor/Vorstandsmitglied | - |
Ehemalige bekannte Positionen von John Gellert
| Unternehmen | Position | Ende |
|---|---|---|
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| ░░░░░░░ ░░░░░ ░░░░ | ░░░░░░░░░░░░░░░░░░░░░░░░░░ | - |
| ░░░░░░ ░░░░░░░░ ░░░░ | ░░░░░░░░░░░░░░░░░░░░░ | - |
Ausbildung von John Gellert
Erfahrungen
Besetzte Positionen
Aktive
Inaktive
Börsennotierte Unternehmen
Private Unternehmen
Beziehungen
77
Beziehungen ersten Grades
13
Unternehmen ersten Grades
Herr
Frau
Aufsichtsräte
Führungskräfte
Unternehmensverbindungen
| Private Unternehmen | 13 |
|---|---|
SEACOR Holdings, Inc.
 SEACOR Holdings, Inc. Marine ShippingTransportation Operates as a holding company whose subsidiaries provides transportation and logistics services | Transportation |
Stirling Shipping Co. Ltd.
 Stirling Shipping Co. Ltd. Marine ShippingTransportation Provides transportation services to the offshore industries | Transportation |
The National Ocean Industries Association
The National Ocean Industries Association Miscellaneous Commercial ServicesCommercial Services The National Ocean Industries Association is a non-profit company based in Washington, DC. | Commercial Services |
Offshore Marine Service Association
Offshore Marine Service Association Miscellaneous Commercial ServicesCommercial Services Operates as association, which provides offshore marine transportation service | Commercial Services |
International Support Vessel Owners' Association | |
SEACOR Marine LLC
SEACOR Marine LLC Other TransportationTransportation Operates oil and gas field exploration & marine support vessels | Transportation |
Seacor Capital (UK) Ltd.
Seacor Capital (UK) Ltd. Financial ConglomeratesFinance Functions as investment holding company | Finance |
Stirling Offshore Ltd.
Stirling Offshore Ltd. Marine ShippingTransportation Provides sea and coastal freight water transportation services | Transportation |
Era Group, Inc.
 Era Group, Inc. Other TransportationTransportation Provides helicopter transport and related services | Transportation |
Dynamic Offshore Drilling Ltd.
Dynamic Offshore Drilling Ltd. Contract DrillingIndustrial Services Provides drilling services | Industrial Services |
Harvard College
 Harvard College Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Seacor Marine Holdings, Inc.
 Seacor Marine Holdings, Inc. Marine ShippingTransportation Provides time and bareboat charter of vessels and marine cargo handling services | Transportation |
SEACOR Marine Foreign Holdings, Inc.
SEACOR Marine Foreign Holdings, Inc. Finance/Rental/LeasingFinance Provides loan services | Finance |
