Dimitris Sinachopoulos obtained his BSc in Mathematics from the University of Athens in 1975 and his PhD in Astronomy from the University of Vienna (Austria) in 1983.
From 1984 to 1988, he was Postdoctoral Researcher at Sternwarte Bonn (Observatory of the University of Bonn, Germany). From 1989 to 1992, he was TMR researcher (Marie Curie fellow) at the Royal Observatory of Belgium. During 1992-1998, he worked as researcher at the Royal Observatory of Belgium and in 2002, as guest researcher at the Institute of Astrophysics (Potsdam, Germany). Since 1990, he has been Guest Professor at the Observatoire de Bordeaux (France), South Africa University (South Africa) and Brazil University of Sao Paolo (Brazil). Since 1985, he has also been visiting observer at Chile, Canary Islands, Southern Spain, France and South Africa. He joined as a Senior Researcher at the Institute for Astronomy of the National Observatory of Athens, from where he retired in 2018.