Andreas Xanthos graduated from the Medical School of the Aristotle University of Thessaloniki, he specialises in microbiology and has worked as a national health service doctor at the health centres in Perama and in Rethymno. He was, for several years, chairman of the doctors' union in Rethymno and also a member of the General Council of the Federation of Greek Hospital Doctors (OENGE) and the General Assembly of the Panhellenic Medical Association (PIS).
Andreas Xanthos is a member of the Central Committee of SYRIZA. He was first elected as a Member of the Hellenic Parliament for Rethymno, Crete, in the May 2012 legislative election and was subsequently reelected in June 2012, January 2015 and September 2015.
From 2015 to 2019 he served as the Minister of Health in the Second Tsipras Cabinet. He previously served as an Alternate Minister of Health in the First Tsipras Cabinet.
He is now SYRIZA MP for Rethymno Crete and Shadow Minister for Health.