1976 - 1982: Studies of chemistry at the TU Munich
1982: Diploma thesis „Synthesis of anionic carbyne complexes“, in the group of Prof. Dr. E.O. Fischer
1984: Dissertation „New pathways of synthesis of anionic ketene- and carbyne complexes of 16 Group elements through neutral substituted carbyne-carbonyl complexes“ in the group of Prof. Dr. E.O. Fischer at the Institute of Inorganic Chemistry, TU Munich
1992: Postdoctoral lecture qualification in chemistry in the group of Prof. Dr. W.A. Herrmann, TU Munich, thesis: „Metal centerad coupling reactions of C1 ligands“
1992: Temporary supervisor of the research group of Professor M.L.H. Green in Oxford, starting December 1992 Fellow of St. Matthews College, Oxford
1993: Professor (C3) of Inorganic Chemistry at the Humboldt-University of Berlin
2005: Professor (W3) of Inorganic Chemistry at the Rheinische-Friedrich-Wilhelms-Universität Bonn.
Filippou has made a significant contribution in the research of heavier homologues of carbon (Si, Ge, Sn, Pb) regarding the ability to form a triple bond to a metal.