Studies of medicine at the Heinrich-Heine-University of Düsseldorf and at the Medical College of Ohio, Toledo, Ohio, USA; Scholarship of the Studienstiftung Cusanuswerk。 1989: Assignation of the „Approbation“ by the Regierungspräsident of Düsseldorf。 1989: Pediatrics, University Children´s Hospital, Ruprecht-Karls-University Heidelberg。 1990: Dissertation (M.D.)。 1990-1991: Medical Microbiology and Epidemiology of Infectious Diseases, Institute of Hygiene, Ruprecht-Karls-University Heidelberg。 1991-1992: Postdoctoral fellowship (DFG-scholarship), Tumorbiochemistry, DKFZ, Heidelberg。 1992-2002: Pediatrics, University Children´s Hospital, Ruprecht-Karls-University Heidelberg。 1995: Medical specialist in Pediatrics (Facharztanerkennung)。 1996: Habilitation, Ruprecht-Karls-University Heidelberg。 1996: Head of the „Division of Metabolic and Endocrinologic Diseases“ at the University Children´s Hospital, Ruprecht-Karls-University Heidelberg。 1997: Qualification and certificate in „Quality management“ by the Landesärztekammer Baden-Württemberg。 Seit 1998: Several Diploma including „Pediatric Infectious Diseases DGPI“ and Diabetes DDG“ and others。 2000 und 2001: Offering of a Full Professorship (C4-Position) for General Pediatrics at the University of Rostock and of Full Professorships (C3-Position) at the Universities of Leipzig and Heidelberg。 2002: Full Professor for General Pediatrics (C4-Position) at the Heinrich-Heine-University of Düsseldorf。 Professor Dr. Ertan Mayatepek has a substantial and wide catalogue of original publications in international journals, he is a member of several national and international medical societies, author of several books and member of the editorial board of various pediatric journals. Since 2002 he has taken over the position as the director of the Department of General Pediatrics