Nikos Tachiaos possesses 34 years of professional and administrative experience in urban planning, engineering, stakeholder engagement management and topographical surveys. Alongside with his professional activities, he has been engaged for a long time period in the public sector, gaining, thus, significant knowledge of the structure of civil administration. During his terms as Deputy Mayor of Culture and Architecture in the Municipality of Thessaloniki and the Greek Ministry of Foreign Affairs, where he served as Alternate Secretary General, he acquired extensive experience in cooperating with national and international official bodies.
During the last seven (7) years, he has formed part of the Management Team of MTC Makedoniki Technical Company, a contractor of TAP Trans-Adriatic Pipeline, as a Stakeholder Engagement Manager, and after the project completion he held the position of the New Business Advisor. As of September 2019, he is the Chairman of the Board of Directors in ATTIKO METRO S.A. He is married and has a 12-year old son.