The HMC’s training staff has high professional and academic standards and is linked strongly with commerce and shipping industry acquiring keen awareness of changing business needs.

Meet our Team:



Natalia Margioli, FICS

Natalia Margioli is the founder and the Managing Director of the Hellenic Management Centre since 1999. She holds an BA in Business Administration and an MBA in Business. She is Fellow Member of the Institute of Chartered Shipbrokers; Mrs. Margioli is the Vice President of the ICS Greek Branch.

She is a board member of the ICS Executive and Controlling Council. 


Adamopoulou Maria

She graduated from the University of Athens, Law School. She holds the LLM from Cambridge University. She granted the Degree of Doctor of Philosophy in Financial Law, from University of Athens, Law School. She is also a holder of the Postgraduate Diploma in Shipping Law from SBE College as well as the Master of Science in Maritime Operations from the Liverpool John Moores University. Since 1996 she has been Head of Legal, Claims & Insurance Department of Tsavliris Salvage International. She is a member of the Chartered Institute of Arbitrators. She has participated in many conferences and has presented academic papers.


Benjamin Brian, FICS

He has an extensive academic background in Management and shipping. He has been elected for a Fellow Member of the ICS (FICS). He holds great experience in the shipping industry as an operations manager, chartering manager and as a consultant in shipping and trading. The last 7 years he is the Chartering manager of the Sirios Shipmanagement SA. He has participated in many shipping conferences and lectures.


Bitounis Constantinos, FICS

He was called to the Bar of England and Wales in 1999 and is a member of the honorable society of Lincoln’s Inn. In 2000, having completed an LL.M. at UCL with Merit, he began practicing Shipping and Commercial law at Shaw-Lloyd & Co in the City of London, initially as a consultant and since April 2004 as a Solicitor. In 2004 he also joined the Athens Bar Association. In 2006, he became head of the legal department of IMS S.A. in Piraeus until the end of 2009. He became fellow member of the Institute of Chartered Shipbrokers in September 2009. In 2010, he founded the Law Office of Bitounis & Co in Athens, Greece specializing in International Shipping and Commercial law litigation and arbitration.  Since January 2015 he has joined the Solicitor firm “Waterson Hicks”, managing the Piraeus based office of the firm.  “Waterson Hicks” is a London Solicitor firm that is well established in the handling of Shipping and Commercial litigation/arbitration.


Dr Galanis Konstantinos

 He is Deputy Board Member at The Bahamas Shipowners Association and Educational Counselor for MIT. He is a Commander (ret.) of the Hellenic Navy served onboard frigates, shipyards and Headquarters for 23 years. He received three graduate degrees from MIT, namely MSc in Ocean Systems Management, Naval Engineer and PhD in Naval Architecture, Marine Engineering and Applied Mechanics (the first non-American active duty Officer to receive such title in the history of MIT). He has taught for several years courses related to Naval Architecture, Marine Hydrodynamics and Maritime Economics. He has published several papers at International Journals, Conferences and events and has written several technical reports, projects and a book.


Cpt Filippatos John, FICS

He graduated from the Merchant Marine Academy. He granted the Diploma of Master A’. He has been elected for a Fellow Member of the ICS (FICS). He has a twenty – five years experience as Operator and Human Resource Manager in Greek Shipping Companies. He has worked as an operator at “Costamare Shipping Company”. At the moment he is the Operation Manager of the Globus Maritime Ltd. He has participated in many international shipping conferences.



lambrou george, MICS

George is a Partnerof Thomas Cooper LLP,  Solicitor Advocate,  and international arbitration specialist. His focus is on insurance, energy and maritime dispute resolution.  A practical, commercial lawyer, he is well regarded as finding cost effective, innovative solutions to complex multi-jurisdictional disputes.    He is Fellow the Chartered Institute of Arbitrators (FCIArb) and on the Approved Faculty List the Chartered Institute International Arbitration courses.  He is a Member of the Institute of Chartered Shipbrokers, and Supporting Member of the London Maritime Arbitrators Association (LMAA). 

George is one of only very few non-Russian international dispute resolution specialists who speaks Russian fluently and has extensive commercial and legal experience in Russia, Ukraine, Greece, Turkey, and Central Asia. He is also a fluent Greek speaker.  He has degrees from the University of Chicago, Boston College and an LLM in maritime and international arbitration law from Queen Mary, University of London.  George is regularly appointed as an arbitrator and has experience sitting on ICSID, ICC and LMAA tribunals. 







Mr. Adrian Wooldridge has been Chief Commercial Officer of Navios Maritime Acquisition Corporation since November 5, 2010. Before joining Navios Maritime Acquisition Corporation, Mr. Wooldridge worked for eight years at various divisions of Shell Oil where he most recently served as Freight Trading Manager for Shell Western Supply & Trading Ltd. in Barbados with overall responsibility for crude and refined petroleum products' trading. Mr. Wooldridge holds a Master's in Business Administration from Warwick Business School in the UK and a degree from the Royal College of Music in London. He is a Fellow of the Institute of Chartered Shipbrokers.


CAPT Kehagias Ioannis, FICS

Mr. Kehagias has 40 years involvement in the shipping industry, having first gone to sea in 1974. He graduated the Marine Academy of Oinoussae in 1976 and after six years of sea service and a course in Shipping at the London School of Foreign Trade, he joined Seven Seas Maritime, a shipping company in London as operator and then as Operations Manager. He is currently the CEO of White Sea Navigation, a Piraeus based Shipping Company, founded in 2000, a company operating in the Supramax segment of the bulk-carrier market. He was elected a fellow of the Institute of Chartered Shipbrokers in 1985 and a member of the Greek Committee of Class NK, the Greek Committee of Korean Register and the Safety & Loss Committee of The Standard P&I Club". Mr. Kehagias is lecturer at the HMC in the module of Ship Operations and Management. 




Mr. George Gourdomichalis is a highly esteemed shipowner, 3rd generation of a family of shipowners, born in London in 1967.  Studies: - Athens College

- University of Massachusetts at Amherst with a BA in International Economics and a BA in Political Science.

- MSc in Ocean Marine Transportation Management from the Maritime Academy of the State of New York.

Career:  In 1989 he joined Republic National Bank of New York as a management trainee and worked on their trading floor. He has been working in shipping since, from leading positions. In 1992 he joined S.S. Maritime Inc. of New York, where he worked as a chartering and S&P broker and was responsible for commercial management of Baltmed Shipping Co. In 1996 he returned to Greece and co-founded Gourdomichalis Naftiki Eteria S.A. In 2000 he co-founded Free Ships S.A. and in 2003 he co-founded Free Bulkers S.A. These activities were consolidated and in 2005 were successfully merged resulting in the public listing of FreeSeas Inc. on the NASDAQ Exchange. This shareholding was sold in January 2007 where upon he co-founded G. Bros Maritime S.A. Mr Gourdomichalis is currently CEO of Blue Wall Shipping operating a fleet of bulk carriers and Phoenix Shipping & Trading S.A. Memberships: Member of the Board of Directors of various National and International Shipping Committees and Associations. -He serves on the RINA Hellenic Committee - the Board of Directors of the American P&I Club -Industry Advisory Board of the North American Merchant Ministries Association -Member of the Board of Directors of the Piraeus Marine Club, having successfully served as President -Member of the British Hellenic Chamber of Commerce responsible for the shipping industry -Member of the Board of Directors of the Hellenic Chamber of Shipping and Member of the Baltic Exchange.





Mr. George Tsamantas is a certified Accountant with an experience in auditing and shipping accounting since 1988. He is a Chief Accountant in Common Progress S.A. since 1998. He is holding a BA in Economics & Accounting, University of Kingston, has been trained on the I.F.R.S. - International Accounting Standards and is a member of Association of Chartered Certified Accountants (ACCA).


Ward Simon, FICS

Simon started his career at a ship-owning company in Liverpool. He became a ship sale & purchase broker, also in Liverpool, in 1993 before moving to London in 1997. In 2008 he moved to Greece to open and run HSBC Shipping Services Ltd in Piraeus. Despite moving back to London at the end of 2012, he returned to Greece in 2013 to open a new sale & purchase venture in Piraeus with Ursa Shipbrokers, reaffirming his longstanding commitment to the Greek shipping industry.  A Member of the ICS since 1995 (and a prizewinner in the qualifying exams), he was accepted as a Fellow in 2009. He is now also heavily involved with the Institute’s education team, and advises the ETC on matters concerning Ship Sale & Purchase.


Orphanos Constantinos

Agraduate of Boston University in Political Science and International Economics with over 25 years’ experience in the Financial Advisory, Banking and Shipping sectors. Upon graduation from University servedas an officer in the United States Army and after being honorably discharged obtained further and specialized finance and investment education, while working with major financial institutions in New York, in advisory and sales of investment products and services. A native of Greece since 2004, engaged in the shipping sector with renowned ship brokerage firms, developing substantial experience in Sale and Purchase and shipping projects over a variety of ship types, dry, wet and specialproject business.  Currently serving at Access Maritime Corp. in the Sales & Purchase / Projects department.


Simiakaki Georgia, FICS

Georgia Simiakaki is an Attorney-at-Law, she completed her law degree at Athens Law School and has been a member of the Piraeus Bar Association since 2007. She has obtained an LLM in Maritime Law from the Law School ofCity University London, on full scholarship. She is a Fellow of the Institute of the Chartered Shipbrokers and a Member of the National Mediation Committee for Commercial Lease Agreements. Her area of expertise is mainly Maritime Law, Corporate and Commercial Law.  She is fluent in English, French and Spanish. She lectures in shipping law and legal aspects of shipping business. 


Tsahalis Dimitrios 

Mr. Tsahalis graduated from Athens College in 1966 and studied Mathematics and Applied Mathematics. He counts nearly 40 years of experience as an executive in shipping company. He started his career in 1975 in the chartering department of one of the largest shipping companies, Thenamaris Shipmanagement Inc. From 1991 to 2013, he was the Chartering Manager of the chartering department of the same company, being responsible for the chartering of the company's fleet (35-40 tankers and 10-15 dry cargo ships) and having the supervision of a team of 7-9 chartering brokers. The last two years Mr. Tsachalis joined the lecturers’ team of the Hellenic Management Centre/Institute of Chartered Shipbrokers Greek Branch delivering lectures on Tanker and Dry Cargo Chartering.






Capt. Andreas Georgiou is born in 1973 in Athens. After graduating Leonteio Lykeio Patission in 1991, he attended the Hellenic Merchant Marine Academy and graduated in 1996 with a Bachelor in Nautical Science. Served on board Bulk Carriers, RoRos and Cruisers as well as in various Navy units as a Naval Officer. Started his career ashore as an operator of handy bulk carriers at ADRIATICO Ltd. and quickly added chartering in his activities. After being 13 years with Eurochart SA as a chartering manager, Ursa Shipbrokers in the same position, Managing Director at Grace Trading Corporation LLC and he is now the Director of GREGALE (DRY BULK) SHIPPING, operator of Dry Cargoes and Vessels. Holds a MSc in Marine IT applications and a second one on international relations. Apart from Greek which is his mother tongue, he also speaks English, French, Italian and German. Among other academic publications he has also published two more papers on correlation of the BDI with other economic figures



Ted Zaimis is the owner of Alpha & Omega Marine Ltd dealing with hull and liabilities placements at Lloyd’s and London markets, and also consulting and advising on claims and risk management. He is ex-army and after completing his studies in maritime business and management at Liverpool John Moores University and an LLM Maritime Law at Southampton University, he has been in Lloyd’s market since 2006. He is a Fellow Member of the ICS, member of the Nautical Institute and Chartered Institute of Insurers. He has also contributed articles on maritime law and shipping business to Lloyd’s List, Shipping Network and International Shipping Monthly Review.



yiannis G. timagenis

Mr. Timagenis is a partner at Timagenis Law Firm (Greece). He is a practicing Greek lawyer (Piraeus Bar) and an English solicitor as well as a member of the Chartered Institute of Arbitrators and the Hellenic Maritime Law Association. His legal practice covers a broad area of shipping law both litigation and transactional. He has written a number of articles in both Greek and international journals on litigation, shipping law and ship finance and has spoken on various shipping law topics on international shipping law conferences and university courses around the world including Athens, Beijing, Buenos Aires, Lisbon, Oslo and Rhodes. Mr. Timagenis teaches shipping law and practice at the American College of Greece (Deree). He is also a PhD candidate at the Faculty of Law, University of Athens. Mr. Timagenis holds an LL.B. (Athens University, Faculty of Law), an LL.M. in Civil Procedural Law, (Athens University, Faculty of Law), and an LL.M. in International and Comparative Dispute Resolution (University of London, Queen Mary College).




Cpt Dimitris Panagiotidis is the Deputy Operations Manager of Prime Tanker Management Inc (Crude/Product/Chemical tankers & LPGs) He has served the Shipping industry from the position of Operations Manager / senior Operator since 1992 in Major Greek Shipping Companies. Having realized the importance of transferring experience to new generation, he delivers seminars on the subject of day to day Tanker Operations & Financial activities since 1999.





Stathopoulou Katerina

Mrs. Stathopoulou has a total working experience of 31 years of which 27 years have been in managerial positions in the fields of Shipping and Banking. She started her career in shipping in 1986 as Assistant CFO for Athenian Sea Carriers, one of the traditional and prestigious Greek shipping Groups, and continued into Banking in 1992 as Head of Shipping Finance for two Greek private Banks. She was also a Credit Committee member of these banks. Since 2000, Katerina holds the position of VP, Senior Manager of Investments & Finance Ltd.; a shipping financial advisory firm in Piraeus with investment banking activities.   She is a member of WISTA Hellas since 1997 and a member of the Greek Shipping Bankers. She holds a Bachelors Degree in Business Administration, majoring in Finance from the University of Maryland, USA. She is fluent in Greek and English and speaks basic French.



Petros T. Kefalonitis, FICS

Petros  graduated from the University of Southampton, with a BSc in Economics & Finance and holds the MSc in Shipping, Trade & Finance from the Cass Business School. He can call on 7 years of experience in shipping project finance and commercial transactions having worked for Clarksons PLC and Lomar Shipping in London and Eurofin in Athens, amongst others. Petros currently works in the management of the Super Eco Group (Ex: Tomasos Brothers) and is responsible for finance, legal and insurance matters



Kallini Angeliki

 Angeliki Kallini has been an Average Adjuster with Richards Hogg Lindley (RHL) since 2008 and has spent time working in RHL’s London office. She qualified as an Associate of the Association of Average Adjusters in 2010 and as a Senior Associate in 2015 when she became the Adjusting Manager of RHL’s Piraeus office. She has previously worked for one year in a shipping company and one year in the corporate shipping department of a law firm in Greece. She has a bachelor degree in Maritime Studies from the University of Piraeus and an LLM in Maritime Law from the University of Southampton.



bachtis panayotis

With almost 30 years of experience Panayotis has a thorough knowledge and insight on the supply and demand side of fuel procurement, as well as oil price risk management. His experience spans senior management roles with one of the industry’s largest marine fuel suppliers where as Regional Manager and Managing Director he was responsible for the establishment and strong development of OW Bunker’s office in Greece. Following the collapse of OW Bunker, he has established Premium Bunkering SA, a company engaging in bunkers broking and trading as well as offering consultancy services on energy procurement and oil price risk management.



Pentheroudakis Ioanna

Ioanna Pentheroudakis has shipping in her blood. Born and raised in a family with a strong shipping background, she completed her initial maritime academic studies in Athens and worked her way up in the family business to become Managing Director of Chartering at Cosmos Shipping SA, a company specialising in the dry chartering business. She is currently working as a broker at Holland Hellenic Shipping Agencies.  Along the way, she has gained a wide range of academic qualifications, including a Bachelors degree in ‘Maritime Business and Maritime Law’ from Plymouth University, UK, and a Masters Degree in ‘International Transport and Shipping’ from the University of Cardiff, UK.

In addition to her professional activities, Ioanna has maintained a strong interest in teaching. At Liverpool John Moore’s University she was lecturer in ’Business Communication’ and ‘Maritime Policy’, and has lectured in ‘Introduction to Chartering’ and ‘Chartering Practice’ at BCA Business Studies/London Guildhall University and London Metropolitan University. From 2004 Ioanna served as Vice President of WISTA Hellas (Women’s International Shipping and Trading Association) for four years, and currently sits on the board of directors at the Hellenic Shipbrokers Association (HSA).




Amalia Miliou-Theocharaki started her shipping career in 2009 as a dry freight & commodities analyst at ICAP Shipping in London. She moved on to become a competitive shipbroker in London and Singapore until 2013. Thereafter she worked at the freight trading department of commodity giant Bunge S.A in Geneva until 2015. Since then, Amalia has been the chartering & sales and purchase manager at TEO Shipping Corporation, a ship management family business operating in the dry bulk market.  Amalia holds a B.Sc. first class honors degree in Economics from the London School of Economics & Political Science (LSE) & a distinction M.A. in International Trade, Commodity Finance & Shipping from the University of Geneva.  Amalia is a member and dry cargo lecturer of the Institute of Chartered Shipbrokers (ICS) in Piraeus since 2016 & also holds an Ad.Dip. in teaching children with learning difficulties.