CEO STEALTHGAS - Key Persons


Akis Zigouris

Job Titles:
  • Marketing and Sales Manager, Katradis Marine Ropes Industry S.a

Apostolos Poulovasilis

Job Titles:
  • Senior Executive of the Maritime Industry
Mr. Poulovassilis joined Lloyd's Register of Shipping in 1989 and had a distinguished 25-year career with the leading Classification Society, holding the post of Regional Marine Manager, Europe, Middle East & Africa from 2009 until 2015. For the past five years he has held leading positions for Ship Management and Operating companies, and currently is the Chief Operating Officer of a prominent Greek Shipping Company. He is a highly respected and experienced Senior Executive of the Maritime Industry and is also actively involved in numerous joint industry projects. He holds a BEng and MSc from Imperial College and University College London, respectively.

Captain Georgios Tsouris

Job Titles:
  • Captain
  • Master
  • Master Mariner, Lecturer in Shipping Operations and Maritime Consultant / Captain Georgios Tsouris Is a Master Mariner, Lecturer in Shipping Operations and Maritime Consultant
He is a member of the Board of Disciplinary Committee of the Greek Merchant Navy, as well as Ex Operations Manager & Deputy DPA- CSO in Shipping . He has served as a Secretary General B' of the PAN-HELLENIC MASTERS AND MATES UNION , as well as a member of the Board of Directors of Greek Merchant Navy Retirement Fund . Captain Tsouris has a total of 13 years sea service on board Bulk Carriers - Multi Purpose Vessels- Containers. He serves as President of the Chios Marine Club. Captain Georgios Tsouris is a Master Mariner, Lecturer in Shipping Operations and Maritime Consultant.

Charalambos Symantonis

Job Titles:
  • President of the Hellenic Shortsea Shipowners Association

Costis Frangoulis

Job Titles:
  • President and CEO Franman President International 's Propelller Club Port of Piraeus

Danae Bezantakou

Job Titles:
  • CEO Navigator Shipping Consultants Ltd. Secretary General International Propeller Club Port of Piraeus

Dave Millner

Job Titles:
  • Author, Futurist and Consulting Partner at @HRCurator
Experienced consulting practitioner with a demonstrated history of working across many different sectors and countries. Skilled in People Analytics as a recruiter, a facilitator and trainer for HR practitioners, HR Transformation, Culture and Employee Engagement programs, Organisational Development interventions (organisational design and workforce/succession/scenario planning) and Leadership/Executive Coaching . Strong consulting professional - Chartered Institute of Personnel and Development and Occupational Psychology professional. An author of "Introducing People Analytics: A Practical Guide to Data-Driven HR" and futurist looking at the world of work, the HR function and the people practices across organisations. A regular conference speaker across the globe on these subjects.

Dimos Iliopoulos

Job Titles:
  • Lecturer for DNV - GL Marine Academy ( Piraeus Branch ) at DNV GL - Maritime
Experienced Lecturer for training courses with a demonstrated history of working in the maritime industry (42 full years with direct involvement for design, supervision & deliveries of over 90 ships / various types & sizes). Strong experience in 12 Shipyards / 6 different countries (for both new-buildings & repairs / dry dockings). Further experience in Ship Management, Quality, Health, Safety, and Environment (QHSE) management systems plus in current development of series of technical training courses. Graduated from National Technical University of Athens.

Dr. Ioannis Voudouris

Job Titles:
  • Associate Professor of Business College of Athens
Dr. Yannis Voudouris holds a PhD degree in Law from the University of London (2013). He did his LL.M. at the University of Kent (1999) and received his LL.B. degree from the National and Kapodistrian University of Athens (1997). During his doctoral studies in London he researched in the field of liner and tramp shipping industry. He is currently researching in the areas of Maritime Law and Civil Mediation, at post-doc level. His international and professional experience is diverse: He is a qualified attorney, member of the Athens Bar and commercial director in one of the most prestigious shipbroker firms in the world. Since 2000, Dr. Voudouris has taught Maritime Law, Marine Insurance, International Trade Law, Contract Law, European Law and Law and Political Economy, in various universities around the world (UK, Greece, Cyprus, India, Eastern Europe and Western Balkans). He joined the Shipping Department of BCA in 2013 teaching Maritime Law and International Trade Law to postgraduate students. In addition Dr. Voudouris has written various articles that await publication in the area of Competition Law, Trade Law and Commercial Mediation.

Dr. Nikolaos Liapis

Job Titles:
  • Mechanical Engineer
  • Chairman of Hellenic Institute of Marine Technology
  • Supply and Operation Director, Elinoil S.a
  • Supply and Operations Director in ELINOIL SA
Dr. Nikolaos Liapis is a Mechanical Engineer, MEng NTUA and he holds a PhD in Chemical Engineering. His main areas of specialization are fuels and lubricants, tanker ships management, logistics and biofuels, as he has worked for more than 28 years in managerial positions in the Oil Sector. The last 15 years he was occupied as Chief Operations Officer in ELINOIL SA, an oil distribution company and as General Manager to ELIN SHIPPING, an affiliate shipping company, operating small tankers. He is highly experienced in project management, overseeing projects as biodiesel production plant design and construction, fuel depots, construction and tanker design and construction. Dr. Liapis is a Chairman of Hellenic Institute of Marine Technology (HIMT). and Member of the Board of Hellenic Shortsea Shipowners Association (HSSA). He is the Coordinator of the Energy Products Committee of the Hellenic Petroleum Marketing Companies Association (SEEPE, ) member of the Downstream Committee of South East Europe Energy Institute (IENE) and member of the Lloyd's Register Technical Committee. He is a founding member of the Greek Association of Biofuel Producers (now SVIVE). He has been Chairman of the Steering Committee of the Marine LNG Network and of the Biofuels Technology Platform. He is a lecturer at University of Piraeus, and at Business College of Athens and has been a lecturer at Athens Metropolitan College teaching Energy Policies, Maritime Logistics, Shipping and Strategic Management. He was a speaker at a significant number of conferences on energy, fuels, biofuels and shipping and he has been the representative of the European Biodiesel Board (EBB) in Greece. He is a writer of several books on nutrition, diet and cooking.

Dr. Spyros Hirdaris

Job Titles:
  • Associate Professor of Marine Technology at Aalto University
Spyros Hirdaris is Associate Professor of Marine Technology at Aalto University, Finland and Visiting Professor at Wuhan University of Technology, China. His international career spans for more than 20 years in between academia and industry. He completed his PhD on Naval Architecture at the University of Southampton, UK in 2002. Before joining Aalto university he worked for 14 years for Lloyd's Register internationally and spent short spells with UK based engineering consultancy firms. His educational portfolio includes ship design / dynamics, Maritime Policy and Regulations. In his research he combines knowledge from advanced ship theory and safety science for the prediction of the responses of ships operating in extreme conditions. He also works on de-risking emerging technologies (e.g. big data analytics, nuclear technology, autonomy etc.) for use in the design and operations of safe and sustainable ships. He is Chartered Engineer and Fellow of the Royal Institution of Naval Architects, UK.

Efthimios E. Mitropoulos

Job Titles:
  • Chairman of the "MARIA TSAKOS FOUNDATION." Secretary - General Emeritus of the International Maritime Organization ( IMO )

George Gabriel

Job Titles:
  • Director of Golden Union Shipping Co S.a

George Kapetanis

Job Titles:
  • Research Engineer for the National Technical University of Athens Department of Maritime Transport
George Kapetanis was born 4.5.1956 in Athens, Greece. He attended the German School of Athens and 1976 began studying at the Technical University of Hannover, Department of Naval Architecture and Marine Engineering. In 1983 he got his diploma in Marine and Mechanical Engineering from the above University with a specialization in Marine Diesel Engines. He has further pursued post graduate studies in the National Technical University of Athens (NTUA) in the School of Naval Architecture and Marine Engineering (NA&ME He has worked for almost 40 years in different areas of Marine Engineering including shipyards, shipping companies but also academic institutions. He is currently continuing his research activities for the National Technical University of Athens Department of Maritime Transport, being involved in research activities mainly in the field of Marine Emissions, Environmental and Safety.

George Karageorgiou

Job Titles:
  • President and CEO, Olympic Shipping and Management S.a
  • President Panhellenic Masters & Mates Union ( PEPEN ), Former General Manager, Minoan Lines

Harry Vafeias

Job Titles:
  • CEO of Stealth Maritime INC

Iro Doumani

Job Titles:
  • General Manager, Hellenic Federation of Road Transport, Vice - President - IRU Goods Transport Council
Ms. Argyro Doumani is a versatile professional with 23 years of work experience, coming from an advanced academic and analytical background. Since 2019, she has been the General Manager at the Hellenic Federation of Road Transport and from 2013 to 2018, she was an Executive Assistant to President. She has also worked as a Digital Marketing Executive at White Space - Marketing Services, as a General Manager at Bioluxe Cosmetics, and as a Marketing Manager and Assistant Accountant at Chambre Hellas S.A. She was the vice president of IRU Goods Transport Council for the term 2020-21. She is also a member of the National Logistics Council, the Hellenic Logistics Association (EEL)and the Economic Chamber of Greece. Ms. Doumani holds an MA in Marketing from the University of Portsmouth and an BA in Economics from the University of Piraeus.

John Pachoulis

Job Titles:
  • Honorary President, Hellenic Charterers Association, Chartering Broker at Megachart Inc

John Platsidakis

Job Titles:
  • Honorary President Intercargo Managing Director Maran Dry Management Inc

Konstantinos D. Chatzimichail

Job Titles:
  • Chairman Alexandroupolis Port Authority

Kostas G. Vlachos

Job Titles:
  • Chief Operating Officer, Latsco Marine Management Inc

Mr Constantinos E. Avtzigiannis

Job Titles:
  • Quality / Safety / Maritime Security / MLC Consultant - Lead Auditor at Bureau Veritas Hellas
Mr Constantinos E. Avtzigiannis has graduated from the University of Macedonia (B.Sc in Business Administration) and has completed his postgraduate studies at the University of Wales (Postgraduate Diploma in Port & Shipping Administration) and at the University of Manchester (M.Sc in International Business Management). He posses numerous professional certifications from Classification Societies (Bureau Veritas, DNV - GL, LRS, NKK), USCG and University of Portsmouth. He has worked in Operations and Quality / Safety Departments of ship management companies and from early 1994 he is an independent consultant in Safety / Quality / Environmental Protection / Security Management / Maritime Labour in shipping and land industries, working also as DPA/ CSO/MLC Manager/Quality Manager.

Mr Elias Pavlou

Job Titles:
  • Professor at the Business College of Athens
Mr Elias Pavlou was educated both in Australia and the UK. He received his first degree in mathematics by the University of Wollongong, Australia. He continued his tertiary studies in the University of NSW, Australia where he acquired a Masters in Statistics. Later on, while working in the city of London as an analyst, he completed a Masters degree in Finance at the University of London, Birkbeck college.For the past 5 years Mr Pavlou has been working at the Business College of Athens where he is teaching quantitative modules and research methods both at undergraduate and postgraduate level.He had also been employed by the Open University in England for a number of years. There, he taught courses in the area of statistics and mathematics. He gained experience in offering learning to students coming from diverse educational, cultural and work backgrounds. His first teaching position was at the London South Bank University where he had the opportunity to teach Research methods at post graduate level within the Faculty of Social Sciences.Prior to his teaching career he had been working for about 15 years as a Research Analyst for blue chip companies both in Australia and the City of London. His duties involved proactively supporting the investment management decision making in the areas of performance, fund appraisals and pricing. Companies in which he was employed include: Morley Fund Management, UK Aviva Insurance Group, UK American Express Europe, UK Yasuda Kasai Europe, UK Royal and Sun Alliance, UK and Australia

Nektarios Oraiopoulos

Job Titles:
  • Associate Professor at Cambridge Judge Business School
Nektarios Oraiopoulos, PhD, is the Director of the MPhil Programme in Strategy, Marketing, & Operations and an Associate Professor of Operations and Technology Management at the Cambridge Judge Business School of the University of Cambridge. His research on innovation and R&D management has appeared in the leading journals of the field. He has won multiple awards and has been invited to make presentations at both academic and industry conferences. In addition to his academic work, he has advised entrepreneurial start-ups and has worked closely on research projects with numerous executives from the biopharmaceutical industry. He holds a Diploma in Electrical and Computer Engineering from the National Technical University of Athens, Greece, and a PhD in Business Administration from the Georgia Institute of Technology.

Nicholas Rodopoulos

Job Titles:
  • President and Managing Director, OnLine Data S.a., Chairman at Hellenic Logistics Association, Member of the National Council of Supply Chain

Nikolaos Vernikos

Job Titles:
  • President of the International 's Chamber of Commerce

Nikolas Fagogenis

Job Titles:
  • Master 's Degree in Human Resources Management from the University of Athens ( AUEB )
Holds a Degree in Public Administration from Panteion University, a Degree in Hellenic Coast Guard from the Hellenic Naval Academy, a Degree in Law from the National and Kapodistrian University of Athens, a Master in Business Studies from the University of Kent and a Master Degree in Human Resources Management from the University of Athens (AUEB). Has served for more than 10 years as Officer of the Hellenic Coast Guard and has an experience of 12 years in the Crew Department of major Greek Shipping Companies.

Panagiotis Christellis

Job Titles:
  • Supervisor - Athens Department, VTG Rail Logistics Hellas

Panagiotis Stavropoulos

Job Titles:
  • Strategic Advisor / Consultant
A proven and results driven global procurement and supply chain senior executive in both public and private

Panos Zachariadis

Job Titles:
  • Fleet Technical Director
  • Technical Director of Atlantic Bulk Carriers Management Ltd
Panos Zachariadis is Technical Director of Atlantic Bulk Carriers Management Ltd since 1996. The company currently operates 22 bulk carriers. From 1984 to 1996 he was Marine Superintendent in the company's New York office. His 38 year shipping experience spans diverse areas including sea service in bulk carriers and oil tankers, dry dock repairs, new-building supervision, negotiations and specifi-cations, ship operations and chartering. He holds a BSc degree in Mechanical Engineering and a MSE degree in Naval Architecture and Marine Engineering from the University of Michigan. He has been attending IMO since 2004 as a member of the Greek delegation. He was extensively involved with IMO's Goal Based Standards and the Greek study which reversed the IMO decision to make double hull bulk carriers mandatory. He was also instrumental in developing the new IMO coating standard (PSPC) for all ships' ballast tanks. Currently he is involved in the new IMO environmental regulations for ships. Together with major shipyards he has applied numerous energy saving ideas, some of which have become industry standards. He has written numerous technical guides, papers and articles and has been honored with the 2011 Efkranti award for his contribution to Greek shipping, the Hellenic Shortsea Shipowners Association 2017 Maritime Personality award, the 2017 Lloyd's List "Achievement in Safety or Environmental Protection" award, the 2019 Green4Sea "Personality" award and the 2021 Lloyd's List "Technical Achievement" award. Member of Hellenic Chamber of Shipping and Union of Greek Shipowners technical committees, BIMCO Environmental Committee, ABS European Technical Committee, LR Technical Committee, American Society of Mechanical Engineers, SNAME, BOD HELMEPA and MARTECMA.

Spyros Theodoropoulos

Job Titles:
  • Professor
  • Senior Manager & Counsel for Ship Management & Chartering
Professor Spyros Theodoropoulos holds a BA from The University of Piraeus in Shipping Economics and an LLM from Cardiff Law Scholl in Marine Legal Affairs. Since 2000, he has worked in various senior managerial and counsel positions within shipmanagement and chartering companies from Greece, Dubai and the USA. Through his long and active involvement in the Shipping industry, he acquired extensive experience in maritime legal affairs such as regulations, contract formation, dispute resolution, liabilities in tort, environmental issues etc. both from their legal perspective as well as the everyday/practical aspect. Some of the companies that Professor Theodoropoulos has worked over the years include GMS Dubai, Liquimar, Newport and Guardian Navigation.

Stratos Tsalamanios

Job Titles:
  • President Mylaki Shipping Agency Ltd

Tassos Vamvakidis

Job Titles:
  • Commercial Manager, Pireaus Container Terminal S.a

Vasilis Iliopoulos - COO

Job Titles:
  • Chief Operating Officer
Vasilis Iliopoulos is an experienced marine professional with a proven record in a multinational environment with over 40 years of experience in the shipping sector (seafaring and shore management).

Victoria D. Liouta

Job Titles:
  • Attorney, Mediator and Trainer of Mediators, International Arbitrator and Fellow of CIArb, Negotiator, Facilitator, LL.M. Maritime Law
Victoria D. Liouta is an Attorney, Mediator and Trainer of Mediators, International Commercial Arbitrator and Fellow of CIArb, Negotiator, Facilitator and has Master's Degree in Maritime Law. She has worked in shipping field as maritime lawyer for the last 28 years with focus on Marine Insurance, Claims handling and Shipping Law, Negotiations and Arbitration and presently runs a company in marine insurance and claims sector. She has consulted and prepared clients in commercial, business, insurance and shipping mediations and arbitrations worldwide.