I have been / I am member in the following Scientific Societies And International Committees

• ISSC  Environmental Committee I.1, International Ship  and Offshore Structures Committee  (Member of Committee I.1 (Environment) for the periods 1991-1994, 1994-1997, 1997-2000)
• SNAME, Society of Naval Architects and Marine Engineers
• ASA,  Acoustical Society of America
• SIAM, Society of Industrial and Applied Mathematics
• AMS, American Mathematical Society
• AAAS, American Association for the Advancement of Science
• NYAS, New York  Academy of Science
• ASME, American Society of Mechanical Engineers
• MPS, Mathematical programming Society
• The New York Academy of Sciences
• Technical Chamber of Greece
• Union of Graduate Naval Architects and Marine Engineers
• Hellenic Institute of Naval Technology
• Hellenic Institute of Acoustics