![Efstathios Topouzoglou](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>)
Efstathios Topouzoglou
Chairman at
FIRST SHIP LEASE TRUST
Net worth: 216 M $ as of 2026-05-30
Profile
Efstathios Topouzoglou is the founder of Prime Marine Corp., Inc., founded in 1999, holding the titles of Co-Chief Executive Officer, Director & MD.
Mr. Topouzoglou was also the founder of HealthBookplus, Inc...
Current jobs included Co-Chief Executive Officer & Director at Prime Marine Management, Inc. since 1999; Co-Chief Executive Officer at Prime Gas Management, Inc. since 1999; Co-Chief Executive Officer at Prime Tanker Management, Inc.; Non-Independent Non-Executive Chairman at First Ship Lease Trust since 2018; Chairman at FSL Trust Management Pte Ltd. since 2018; Director at Kavala Oil SA since 2013; Non-Executive Director at Energean Plc since 2017; and Director at Emil Frey Automotive Holding Hellas SA. Former jobs include Director at Energean E&P Holdings Ltd. from 2015 to 2017; Director at Energean Oil & Gas SA from 2017 to 2019; Director at Flagship Marine Ventures LLC from 2011 to 2019; Director at Energean Israel Ltd.; and Director at Dynamic Product Tankers (Prime) LLC.
Education includes undergraduate studies at National & Kapodistrian University of Athens.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
ENERGEAN PLC 9.03% | 2025-12-30 | 16,677,249 ( 9.03% ) | 176 M $ | 2026-05-30 |
| 2025-03-17 | 1,283,670,931 ( 72.6% ) | 40 M $ | 2026-05-30 |
Efstathios Topouzoglou active positions
| Companies | Position | Start |
|---|---|---|
| ENERGEAN PLC | Director/Board Member | 2017-04-30 |
| FIRST SHIP LEASE TRUST | Chairman | 2018-02-27 |
Prime Marine Corp., Inc.
 Prime Marine Corp., Inc. Air Freight/CouriersTransportation Provides shipping services | Founder | 1998-12-31 |
Kavala Oil SA
 Kavala Oil SA Oil & Gas ProductionEnergy Minerals Explores for, mines, and extracts oil and refines petroleum | Director/Board Member | 2013-04-25 |
Prime Marine Management, Inc.
 Prime Marine Management, Inc. Marine ShippingTransportation Provides sea transport and ship management services | Chief Executive Officer | 1998-12-31 |
Prime Gas Management, Inc. | Chief Executive Officer | 1998-12-31 |
FSL Trust Management Pte Ltd.
 FSL Trust Management Pte Ltd. Investment ManagersFinance Operates as an investment management firm | Chairman | 2018-03-08 |
Prime Tanker Management, Inc.
 Prime Tanker Management, Inc. Marine ShippingTransportation Provides deep sea freight transportation services | Chief Executive Officer | - |
Former positions of Efstathios Topouzoglou
| Companies | Position | End |
|---|---|---|
Energean Oil & Gas SA
 Energean Oil & Gas SA Contract DrillingIndustrial Services Explores, extracts & produces crude oil and gas | Director/Board Member | 2018-12-31 |
| ░░░░░░░░ ░░░░░░ ░░░░░░░░ ░░░ | ░░░░░░░░░░░░░░ ░░░░░░ | ░░░░░░░░░░ |
| ░░░░░░░░ ░░░░░░░ ░░░░░░░░ ░░░░ | ░░░░░░░░░░░░░░ ░░░░░░ | ░░░░░░░░░░ |
| ░░░░░░░░░░░░░░░ ░░░░ | ░░░░░░░ | - |
| ░░░░░░░░ ░░░░░░ ░░░░ | ░░░░░░░░░░░░░░ ░░░░░░ | - |
Training of Efstathios Topouzoglou
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
14
1st degree connections
15
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 15 |
|---|---|
First Ship Lease Trust
 First Ship Lease Trust Marine ShippingTransportation Engages in leasing and chartering of vessels in the maritime industry | Transportation |
Kavala Oil SA
Kavala Oil SA Oil & Gas ProductionEnergy Minerals Explores for, mines, and extracts oil and refines petroleum | Energy Minerals |
National & Kapodistrian University of Athens
 National & Kapodistrian University of Athens Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
FSL Trust Management Pte Ltd.
FSL Trust Management Pte Ltd. Investment ManagersFinance Operates as an investment management firm | Finance |
Prime Marine Corp., Inc.
Prime Marine Corp., Inc. Air Freight/CouriersTransportation Provides shipping services | Transportation |
Energean E&P Holdings Ltd.
 Energean E&P Holdings Ltd. Financial ConglomeratesFinance Functions as an investment holding company | Finance |
Energean Oil & Gas SA
Energean Oil & Gas SA Contract DrillingIndustrial Services Explores, extracts & produces crude oil and gas | Industrial Services |
Prime Marine Management, Inc.
Prime Marine Management, Inc. Marine ShippingTransportation Provides sea transport and ship management services | Transportation |
Prime Tanker Management, Inc.
Prime Tanker Management, Inc. Marine ShippingTransportation Provides deep sea freight transportation services | Transportation |
Flagship Marine Ventures LLC | |
Energean Israel Ltd.
 Energean Israel Ltd. Oil & Gas ProductionEnergy Minerals Provides oil and gas exploration services | Energy Minerals |
Energean Plc
 Energean Plc Oil & Gas ProductionEnergy Minerals Engages in the exploration and production of hydrocarbons from oil & gas | Energy Minerals |
Dynamic Product Tankers (Prime) LLC
 Dynamic Product Tankers (Prime) LLC Marine ShippingTransportation Provides marine transportation services | Transportation |
Prime Gas Management, Inc. | |
HealthBookplus, Inc.
 HealthBookplus, Inc. Packaged SoftwareTechnology Services Operates as a AI driven healthcare platform | Technology Services |
- Stock Market
- Insiders
- Efstathios Topouzoglou
