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Anastasios Margaronis
Director/Board Member at
DIANA SHIPPING INC.
Net worth: 32 M $ as of 31/08/2026
Profile
Anastasios C.
Margaronis currently serves as Director at Diana Shipping, Inc. since 2005, Secretary, Director & Deputy President at Diana Shipping Services SA since 1979, Director at The United Kingdom Mutual Steamship Assurance Assoc (BM) Ltd., and Member-Governing Council at The Union of Greek Shipowners.
Former roles include President & Director at Performance Shipping, Inc. from 2010 to 2020, President at Diana Shipping Agencies S.A., and Member at The UK Mutual Steam Ship Assurance Association (Europe) Ltd. from 2005 to 2019.
Education includes undergraduate studies at the University of Warwick and graduate studies at The University of Wales.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
DIANA SHIPPING INC. 7.27% | 22/06/2026 | 8,981,926 ( 7.27% ) | 25 M $ | 31/08/2026 |
| 18/03/2026 | 280,938 ( 10.81% ) | 8 M $ | 31/08/2026 |
Anastasios Margaronis active positions
| Companies | Position | Start |
|---|---|---|
| DIANA SHIPPING INC. | Director/Board Member | 21/02/2005 |
The Union of Greek Shipowners
 The Union of Greek Shipowners The Union of Greek Shipowners (UGS), established in 1916, represents Greek-owned commercial vessels over 3,000 gross tons under Greek and other flags. The private company is based in Piraeus, Greece. UGS advocates for a competitive and sustainable shipping industry, emphasizing maritime safety, environmental protection, and active engagement in international policy through permanent representation in organizations such as IMO, ILO, and ICS. The union promotes innovation and environmental responsibility, supporting the adoption of greener ships and alternative fuels to reduce shipping-related greenhouse gas emissions. UGS is committed to social responsibility and education through its Greek nonprofit social contribution company Syn-Enosis, which invests in health, education, social welfare, and crisis relief efforts. The union offers postgraduate scholarships for studies in Greece and abroad, collaborates with maritime stakeholders, participates in major maritime events, and supports platforms to strengthen the Greek maritime cluster. | Corporate Officer/Principal | 12/01/2011 |
United Kingdom Mutual Steamship Assurance Assoc (BM) Ltd.
 United Kingdom Mutual Steamship Assurance Assoc (BM) Ltd. Specialty InsuranceFinance Provides insurance services | Director/Board Member | 12/01/2011 |
Diana Shipping Services SA
 Diana Shipping Services SA Marine ShippingTransportation Manages and operates a shipping fleet | Director/Board Member | - |
Former positions of Anastasios Margaronis
| Companies | Position | End |
|---|---|---|
| PERFORMANCE SHIPPING | President | 18/02/2020 |
The UK Mutual Steam Ship Assurance Association (Europe) Ltd.
 The UK Mutual Steam Ship Assurance Association (Europe) Ltd. Financial ConglomeratesFinance Provides investment services | Corporate Officer/Principal | 01/10/2019 |
Diana Shipping Agencies S.A. | President | - |
Training of Anastasios Margaronis
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
38
1st degree connections
9
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 9 |
|---|---|
Diana Shipping, Inc.
 Diana Shipping, Inc. Marine ShippingTransportation Operates as a holding company whose subsidiaries owns dry-bulk vessels | Transportation |
Performance Shipping, Inc.
 Performance Shipping, Inc. Marine ShippingTransportation Operates ocean-going vessels for transportation of crude oil and refined petroleum products | Transportation |
University of Warwick
 University of Warwick Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
The University of Wales
 The University of Wales Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Diana Shipping Services SA
Diana Shipping Services SA Marine ShippingTransportation Manages and operates a shipping fleet | Transportation |
United Kingdom Mutual Steamship Assurance Assoc (BM) Ltd.
United Kingdom Mutual Steamship Assurance Assoc (BM) Ltd. Specialty InsuranceFinance Provides insurance services | Finance |
The Union of Greek Shipowners
The Union of Greek Shipowners The Union of Greek Shipowners (UGS), established in 1916, represents Greek-owned commercial vessels over 3,000 gross tons under Greek and other flags. The private company is based in Piraeus, Greece. UGS advocates for a competitive and sustainable shipping industry, emphasizing maritime safety, environmental protection, and active engagement in international policy through permanent representation in organizations such as IMO, ILO, and ICS. The union promotes innovation and environmental responsibility, supporting the adoption of greener ships and alternative fuels to reduce shipping-related greenhouse gas emissions. UGS is committed to social responsibility and education through its Greek nonprofit social contribution company Syn-Enosis, which invests in health, education, social welfare, and crisis relief efforts. The union offers postgraduate scholarships for studies in Greece and abroad, collaborates with maritime stakeholders, participates in major maritime events, and supports platforms to strengthen the Greek maritime cluster. | |
Diana Shipping Agencies S.A. | |
The UK Mutual Steam Ship Assurance Association (Europe) Ltd.
The UK Mutual Steam Ship Assurance Association (Europe) Ltd. Financial ConglomeratesFinance Provides investment services | Finance |
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