Armodios was born in Piraeus, Greece in 1972. He studied Business Administration in Athens. He speaks English, German and French.
Since 1995 he held managerial positions in the family owned Yannidis Group which produces decorative paints (Vitex) and waterproofing materials (Hermes) and employs 215 people in Greece, Serbia, Romania and Bulgaria. Since 2000, he is the Executive Vice President of the Group.
Armodios has served in various positions representing the paints and chemicals industries in the EU and in Greece. Since 2009 he is a member of the board of the European Paint Industries Association (CEPE).
He was also a member of the board at the Hellenic Association of Chemical Industries since 2002; President from 2005 till 2009 and is currently the Vice-President of the association. In addition, Armodios has served as a Vice President of the Hellenic Coatings Association from 2000 till 2005 a position he is again occupying since 2012.
He is also a member of the board of EENE (Hellenic Entrepreneurs Association).