• Since 01.04.2013, Head of the Department of Adult and Pediatric Otolaryngology, Head and Neck Surgery at the University Hospital Ulm.
• 2013 Appointment to the post of W3 Professor in Otolaryngology at the Johannes Gutenberg University Mainz (rejection) and at the University of Ulm.
• 2010 Additional qualification "Quality Management in Medical Care".
• 2009 - 2013 Deputy Head in the Department of Otolaryngology at the University Hospital Essen.
• 2009 Invitation to the post of Visiting Professor.
• 2006 - 2009 Head of the Department of Functional Plastic and Reconstructive Cancer Surgery, as well as the Oncology Laboratory in the Department of Otolaryngology at the Heinrich Heine University Duesseldorf.
• 2006 - 2007 "Organization and management of clinics" (additional training program "Public Health Care", University of Duesseldorf) and "Health Care Management" (Duesseldorf Business School).
• 2006 Additional qualification in Plastic and Aesthetic Surgery.
• 2005 Additional qualification in Allergology.
• 2004 - 2009 Senior Physician, Department of Otolaryngology, Heinrich Heine University Duesseldorf.
• 22.01.2004 Habilitation, Heinrich Heine University Duesseldorf. Subject: "Oncoprotein p53 as an immunological target structure in head and neck squamous cell carcinoma".
• 24.09.2003 Medical Specialist in Otolaryngology.
• 2001 - 2003 Department of Otolaryngology, Heinrich Heine University Duesseldorf.
• 1999 - 2001 Cancer Institute at the University of Pittsburgh (Prof. Dr. T.L. Whiteside, E. Myers), Pittsburgh, USA, Postgraduate Mildred Scheel Scholarship for cancer research.
• 1997 - 1998 Department of Otolaryngology, Heinrich Heine University Duesseldorf.
• 1997 Doctoral thesis defense, Heinrich Heine University Duesseldorf. Subject: "In vitro studies using the example of head and neck carcinoma cells to determine sensitivity to cytostatics, tamoxifen and monoclonal antibodies against epidermal growth factor receptor."
• 1990 - 1996 Study of Human Medicine in Duesseldorf and London.

Journal Review Activities

• Acta Oto-Laryngol. 
• BioMed Central Cancer.
• Cancer.
• Cancer Chemother Pharmacol.
• Cancer Immunol Immunother.
• Cancers Open Access.
• Cancer Res Clin Oncol.
• Cancer Therapy.
• Clin Appl Immunol Rev.
• Clin Cancer Res.
• Clinical Oral Investigations.
• Eur Arch Otorhinolaryngol.
• Head & Neck.
• HNO.
• Human Immunology.
• Int J Cancer.
• J Cancer Res Clin Oncol.
• J Oral Invest.
• J Pharmaceut Biomed Anal.
• Laryngo Rhinol Otol.
• Methods.
• Oncotarget.
• Oral Oncology.

Collaboration in Scientific Societies and Committees

• Chairman of the Executive Board of the Center for Skull Base Diseases at the University of Ulm.
• Member of the Commission for Advanced Training of the German Society of Otolaryngology, Head and Neck Surgery.
• Board Member of the Working Group on Oncology at the German Society of Otolaryngology, Head and Neck Surgery.
• Board Member, Comprehensive Cancer Center Ulm (CCCU).
• Deputy Chairman of the National Conference of Medical Directors of the Departments and Institutes, Universities of Baden-Wuerttemberg.
• Board Member of the Medical Education Initiative Mol. Targ. Ther. Cancer (MTCC).
• Founding Member of the Research Society for Vascular Diseases (GeGeFo).
• Chairman of German HNO-Medithek at the German Society of Otolaryngology, Head and Neck Surgery.

Membership in Scientific Societies

• German Society of Otolaryngology, Head and Neck Surgery.
• German Cancer Society, Working Group on Oncological Otolaryngology and Maxillofacial Surgery (AHMO).
• German Cancer Society, Department of Experimental Cancer Research (AEK).
• European Association for Cancer Research (EACR).
• American Association for Cancer Research (AACR).
• Working Group on Plastic, Reconstructive and Aesthetic Head and Neck Surgery.
• European Academy of Facial Plastic Surgery (EAFPS).
• German Society of Skull Base Surgery.

Awards and Prizes

• 2014 Hans Joachim Denecke Prize of the Skull Base Surgery Society, Vienna.
• 2013 Posterpreis Award, West German Otolaryngology Congress, Duesseldorf.
• 2012 Posterpreis Award, 6th International Conference on Head and Neck Cancer, Toronto.
• 2010 Anton von Tröltsch Prize of the German Society of Otolaryngology, Head and Neck Surgery.
• 2010 Posterpreis Award, West German Congress of Otolaryngology, Bochum.
• 2009 Posterpreis Award, West German Congress of Otolaryngology, Minden.
• 2008 Posterpreis Award, West German Congress of Otolaryngology, Solingen.
• 2007 Posterpreis Award of the Working Group on Dermatological Researches (ADF), Freiburg.
• 2007 Posterpreis Award, Angioedema 2007, Cologne.
• 2005 Scientific Prize of the Foundation for the Study of Head and Neck Tumors, Wiesbaden.
• 2004 Research Prize of the University of Duesseldorf.
• 2001 AACR-AFLAC, Educational Prize, American Association for Cancer Research, New Orleans.
• 2000 Presidium Prize of the 1st International Scientific Session of the Society for Biological Therapy, Berlin.