Nikolaos Papatsas graduated from the College of Wooster (Ohio, USA) with a degree in Computer Science (1982) and received an M.B.A. (1984) from Clark University (Massachusetts, USA). From 1984 Information Technology (IT) Systems for A89 he was Director of spen Square Management, a National Real Estate and Property Management firm, located in Springfield (MA). In 199093 he served as Vice President of Operations and IT for Asahi/America, a manufacturer and international distributor of industrial products, based in Boston. During the same period, he worked as a technical consultant offering his services to telecommunication and financial organizations. In 1993, Mr. Papatsas joined EFA VENTURES, ( www.efaventures.com) based in Athens, Greece, and shortly after became a partner. Today, EFA VENTURES, part of EFA GROUP (an ecosystem of in 6 countries), is an International A&D companies with physical presence Industrial Development Services Provider with experience in more than 40 countries, offering a range of specialized services in industrial participation, logistics and systems integration for the Aerospace & Defense, Security and High Technology markets. Mr. Papatsas has extensive experience in Aerospace and Defense technologies as well as industrial cooperation programs. www.hasdig.com.gr From May 2021, he is also the President of the Hellenic Aerospace Security & Defense Industries Group ( ) .