Leonidas Demetriades Eugenides was born in Athens in 1958. He has got B.Sc. in Economics from the University of Athens and M.Sc in Transport Economics from PCL of London. He is a Member of the Chartered Institute of Transport M.C.I.T. He has been elected Member of the Board of the Union of Greek Shipowners as from 1996, Secretary of the Union of the Greek Shipowners from February 2000 through February 2003 and Treasurer from February 2003 through February 2012.
As from 1976, Leonidas Demetriades-Eugenides joined the Eugenides Group of Companies of late Nicos Vernicos-Eugenides, of which presently acting as C.E.O. and President. He is the President of Eugenides Foundation as from 2000.