JOHN ERMOPOULOS is author of many publications in international Journals and Conferences with a lot of references, and author of about fifteen technical books. He participated in many international Conferences, Seminars, Projects, Workshops and Scientific meetings.He is the visiting professor in University of Colorado at Denver, USA, and Steel Construction Institute, Ascot, UK. He was invited lecturer in many countries (USA, UK, Taiwan, Czech Republic, Bulgaria, Serbia, Romania, Cyprus, Poland, Norway etc). He received DOCTOR HONORIS CAUSA in “Ljuben Karavelov-VSU†Civil Engineering High School, SOFIA. He is the member in various scientific Committees and Societies and also reviewer for scientific papers in many international Journals.