Management Team

Semiramis Paliou
Director and Chief Executive Officer
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Anastasios C. Margaronis
Director and President
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Ioannis G. Zafirakis
Director, Chief Financial Officer, Chief Strategy Officer, Treasurer and Secretary
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Semiramis Paliou has served as a Director since March 2015. She has served as Chief Executive Officer, Chairperson of the Executive Committee and a member of the Sustainability Committee since March 1, 2021. She previously served as Deputy Chief Executive Officer of the Company from October 2019 until February 2021. Ms. Paliou also served as member of the Executive Committee and the Chief Operating Officer of the Company from August 2018 until February, 2021. Mrs. Paliou also serves as Chief Executive Officer of Diana Shipping Services S.A. She has served as a Director of OceanPal Inc. since April 2021. Mrs. Paliou is the Chairperson of the Board of Directors and of the Executive Committee of OceanPal Inc. since November 2021. From November 2018 to February 2020 Ms. Paliou also served as Chief Operating Officer of Performance Shipping Inc. Mrs. Paliou has over 20 years of experience in shipping operations, technical management and crewing. Ms. Paliou began her career at Lloyd’s Register of Shipping from 1996 to 1998 as a trainee ship surveyor. She was then employed by Diana Shipping Agencies S.A. From 2007 to 2010 she was employed as a Director and President of Alpha Sigma Shipping Corp. From February 2010 to November 2015 she was the Head of the Operations, Technical and Crew department of Diana Shipping Services S.A. From November 2015 to October 2016 she served as Vice-President of the same company. From November 2016 to the end of July 2018, she served as Managing Director and Head of the Technical, Operations, Crew and Supply department of Unitized Ocean Transport Limited. Ms. Paliou obtained her BSc in Mechanical Engineering from Imperial College, London and her MSc in Naval Architecture from University College, London. Ms. Paliou completed courses in “Finance for Senior Executives”, in “Authentic Leader Development” and a certificate program on “Sustainable Business Strategy” all at Harvard Business School. She is the daughter of Simeon Palios, the Company’s Chairman, and is Vice-Chairperson of the Greek committee of Det Norske Veritas, a member of the Greek committee of Nippon Kaiji Kyokai and a member of the Greek committee of Bureau Veritas. Since March 2018, Ms. Paliou has served on the board of directors of the Hellenic Marine Environment Protection Association (HELMEPA) and serves as the Chairperson since June 2020. As of June 2021, she serves as Vice-Chairperson of INTERMEPA. Also, she is a member of the board of directors of the UK P&I Club since November 2020, as of February 2022 member of the Union of Greek Shipowners and as of April 2022 member of the Global Maritime Forum.

Anastasios C. Margaronis has served as our President and as a Director since February 21, 2005. Mr. Margaronis is a Deputy President of Diana Shipping Services S.A., where he also serves as a Director and Secretary. Mr. Margaronis is also member of the Executive Committee of the Company. Prior to February 21, 2005, Mr. Margaronis was employed by Diana Shipping Agencies S.A. and performed on our behalf the services he now performs as President. He joined Diana Shipping Agencies S.A. in 1979 and has been responsible for overseeing our vessels’ insurance matters, including hull and machinery, protection and indemnity and war risks insurances. From January 2010 to February 2020 he served as Director and President of Performance Shipping Inc. Mr. Margaronis has experience in the shipping industry, including in ship finance and insurance, since 1980. He is a member of the Greek National Committee of the American Bureau of Shipping and was a member of the board of directors of the United Kingdom Mutual Steam Ship Assurance Association (Europe) Limited from October 2005 to October 2019. He holds a bachelor’s degree in Economics from the University of Warwick and a master’s of science degree in Maritime Law from the Wales Institute of Science and Technology.

Mr. Ioannis Zafirakis has served as a Director and Secretary of the Company since February 2005 and Chief Financial Officer (Interim Chief Financial Officer until February, 2021) and Treasurer since February 2020 and he is also the Chief Strategy Officer of the Company. Mr. Zafirakis is also member of the Executive Committee of the Company. Mr. Zafirakis has held various executive positions such as Chief Operating Officer, Executive Vice-President and Vice-President. In addition, Mr. Zafirakis is the Chief Financial Officer of Diana Shipping Services S.A., where he also serves as Director and Treasurer. Also, he has served as a Director and Secretary of OceanPal Inc. since April 2021 and as the President and Interim Chief Financial Officer since November 2021. He is also member of the Executive Committee of OceanPal Inc. From June 1997 to February 2005, Mr. Zafirakis was employed by Diana Shipping Agencies S.A., where he held a number of positions in finance and accounting. From January 2010 to February 2020 he also served as Director and Secretary of Performance Shipping Inc., where he held various executive positions such as Chief Operating Officer and Chief Strategy Officer. Mr. Zafirakis is a member of the Business Advisory Committee of the Shipping Programs of ALBA Graduate Business School at The American College of Greece. He holds a bachelor’s degree in Business Studies from City University Business School in London and a master’s degree in International Transport from the University of Wales in Cardiff.

Eleftherios Papatrifon
Chief Operating Officer
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Maria Dede
Chief Accounting Officer
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Margarita Veniou
Chief Corporate Development, Governance & Communications Officer
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Mr. Lefteris Papatrifon, has served as the Chief Operating Officer of the Company and Diana Shipping Services S.A. since March 2021. Mr. Papatrifon participates on a non-voting basis in the Executive Committee of the Company. Also, he has served as a Director and Chief Executive Officer of OceanPal Inc. since November 2021. Mr. Papatrifon is a member of the Executive Committee of OceanPal Inc. He was Chief Executive Officer, Co-Founder and Director of Quintana Shipping Ltd, a provider of dry bulk shipping services, from 2010 until the company’s successful sale of assets and consequent liquidation in 2017. Previously, for a period of approximately six years, he served as the Chief Financial Officer and a Director of Excel Maritime Carriers Ltd. Prior to that, Mr. Papatrifon served for approximately 15 years in a number of corporate finance and asset management positions, both in the USA and Greece. Mr. Papatrifon holds undergraduate (BBA) and graduate (MBA) degrees from Baruch College (CUNY). He is also a member of the CFA Institute and a CFA charterholder.

Maria Dede has served as our Chief Accounting Officer since September 1, 2005 during which time she has been responsible for all financial reporting requirements. She has also served as an employee of Diana Shipping Services S.A. since March 2005. In 2000 Maria Dede joined the Athens branch of Arthur Andersen, which merged with Ernst and Young (Hellas) in 2002, where she served as an external auditor of shipping companies until 2005. From 1996 to 2000 Maria Dede was employed by Venus Enterprises S.A., a ship-management company, where she held a number of positions primarily in accounting and supplies. Maria Dede holds a Bachelor’s degree in Maritime Studies from the University of Piraeus and a Master’s degree in Business Administration from the ALBA Graduate Business School and a Master’s degree in Auditing and Accounting from the Greek Institute of Chartered Accountants.

Margarita Veniou joined Diana Shipping Services S.A. in September 2004 where she has held various positions. She serves as our Chief Corporate Development, Governance & Communications Officer since July 2022. From September 2004 to June 2022, she has worked in the Corporate Planning & Governance Department of Diana Shipping Inc. holding various positions as Associate, Officer and Manager. Margarita Veniou is also the General Manager of Steamship Shipbroking Enterprises Inc. since April 2014. Margarita Veniou held the position of Corporate Planning & Governance Officer from January 2010 to February 2020 in Performance Shipping Inc. Margarita Veniou is Co-founder and Managing Partner of Blue Sand Boutique Hotel & Suites since 2006. She is also a member of WISTA Hellas. Margarita Veniou holds a bachelor’s degree in Maritime Studies and a master’s degree in Maritime Economics & Policy from the University of Piraeus. She completed the Sustainability Leadership and Corporate Responsibility course in the London Business School. She has obtained certification in Shipping Derivatives from the Athens University of Economics and Business and she is an ISO 14001 certified by Lloyd’s Register

Maria-Christina Tsemani
Chief People Officer
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Maria-Christina Tsemani joined Diana Shipping Services S.A. as HR Manager in October 2020, and in August 2021 was also appointed Human Resources Officer of Diana Shipping Inc. Maria-Christina has over 15 years of experience in HR positions with multinational companies and institutional bodies. Most recently, she acted as People Acquisition and Development Manager in Vodafone Greece. Her previous roles included Senior HR Business Partner and Organizational Effectiveness and Reward Manager, while she has also been involved in major projects of digital transformation, business restructurings as well as people integration in mergers and acquisitions. Prior to joining Vodafone in 2008, Maria-Christina worked as a Senior HR Consultant in PricewaterhouseCoopers, while she has also served as Project Manager in the European Commission, based in Luxembourg. She holds a bachelor’s degree in Mathematical Sciences and a master’s of science degree in Applied Statistics from the University of Oxford, UK.

Management Team
NAME TITLE
Semiramis Paliou Chief Executive Officer
Anastasios C. Margaronis President
Ioannis Zafirakis Chief Financial Officer, Chief Strategy Officer, Treasurer and Secretary
Eleftherios Papatrifon Chief Operating Officer
Maria Dede Chief Accounting Officer
Margarita Veniou Chief Corporate Development, Governance & Communications Officer
Maria-Christina Tsemani Chief People Officer
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