Since 07/2017: Head of Department, Oral and Maxillofacial Plastic Surgery, Johanniter Hospital Bethesda Mönchengladbach, Germany and Associate Professor, Heinrich-Heine University Düsseldorf, Germany 2016-2017: Chief Senior Physician, Department of Oral and Maxillofacial Plastic Surgery (Prof. Dr. Dr. J. Kubler), Heinrich-Heine University, Düsseldorf, Germany 2013-2016: Chief Senior Physician, Department of Oral and Maxillofacial Plastic Surgery (Prof. Dr. Dr. J. Zoeller), University of Cologne, Cologne, Germany 2009: PhD Thesis: "Reconstruction of jaw defects using artificial and autogenous bone blocks in combination with growth factors" 2008-2013: Research Associate, Department of Oral and Maxillofacial Plastic Surgery (Prof. Dr. Dr. J. Zoeller), University of Cologne, Cologne, Germany 10/2008: Dr. med., magna cum laude, Thesis: "Biocompatibility, biodegradation and angiogenetic aspects of native and cross-linked collagen membranes" 06-12/2007: Post-doc Student at the Department of Oral Pathology and Molecular Research, Westmead Hospital, University of Sydney, Sydney, Australia (granted by DAAD) 01/2007: Specialization in Oral Surgery 02-03/2005: Volunteer at the Clinic of Plastic and Reconstructive Surgery in Sankhu, Kathmandu, Nepal 01/2004: Dr. med. dent., magna cum laude, Thesis: "Establishing a new method for quantification of tooth hypersensitivity" 2002-2007: Research Associate, Department of Oral Surgery (Prof. Dr. J. Becker) Heinrich-Heine University, Düsseldorf, Germany 2001-2007: Medical School, Heinrich-Heine University, Düsseldorf, Germany 1996-2001: Dental School, Heinrich-Heine University, Düsseldorf, Germany Research topics: Guided bone regeneration, socket preservation, implant surfaces, collagen membranes, bone substitute materials, growth factors, face traumatology