• 1992    Obtaining the license to practice medicine
• 2000    Habilitation (topic: prognostic factors in primary chemoradiation of advanced head and neck tumors with special attention to tumor cell cycle components and oxygenation)
• 2000    Appointment as senior senior physician and deputy medical director of the ENT University Hospital in Heidelberg
• 2003    C4 professorship for ear, nose and throat medicine at the University of Leipzig
• 2004    Director of the ENT clinic at Leipzig University Hospital
• 2005    Elected as a medical officer of the German Association for Laryngeal Diseases and Laryngeal Surgery eV
• 2006    Acquisition of the additional title "Medicinal tumor therapy" and election as chairman of the examination board "Medicinal tumor therapy" at the State Medical Association of Saxony
• 2010    Foundation of the Cochlea Implant Center Leipzig CIZL
• 2010    Elected Chairman of the Oncology Working Group of the German Society for Otolaryngology, Head and Neck Surgery
• 2013    Elected to the Presidium of the German Society for Otolaryngology, Head and Neck Surgery
• 2014    Elected chair of the advisory board of the Saxon Cancer Society
• 2016    Elected spokesman for the national tumor center Leipzig eV and spokesman for the Saxon AG Tumor Centers (AST)
• 2016    Elected spokesman for the interdisciplinary study group head and neck tumors of the German Cancer Society (IAG-KHT of DKG)

Memberships, bodies, international networks

• Member of the Presidium of the German Society for Otorhinolaryngology, Head and Neck Surgery (DGHNO-KHC) and "incoming" President 2020
• Responsible for guiding the DGHNO-KHC
• Chairman of the Interdisciplinary Study Group Head and Neck Tumors of the German Cancer Society (IAG-KHT)
• Member of the German Society for Plastic and Reconstructive Surgery
• Spokesman for the regional tumor network Leipzig and chairman of the Association of Saxon Tumor Centers (AST)
• Chairman of the Advisory Board of the Saxon Cancer Society
• Elected board member of the district medical association Leipzig
• Invited member of the Head and Neck Educational Board of ESMO (European Society of Medical Oncology)
• Invited member of the Head and Neck Educational Board of ESO (European School of Oncology)
• Spokesman for operative head and neck oncology, Head and Neck Group of the EORTC
• Member of the Working Group for Plastic, Reconstructive and Aesthetic Head and Neck Surgery (APKO)
• Member of the EAFPS - European Academy of Facial Plastic Surgery
• Corresponding member of the " American Academy of Otolaryngology-Head and Neck Surgery "
• Correspondierendes member at the invitation of the Austrian ENT Society
• Member of the German Society for Skull Base Surgery
• Member of the German Cancer Society
• Member of the Association of German Audiologists and Neurootologists, ADANO
• Member of the working group on supportive measures in oncology within the German Cancer Society (DKG) and the"Multinational Association of Supportive Care in Cancer (MASCC)"
• Since January 2005 elected consultant doctor of the German Association for Laryngeal Surgeons
• Member of the working group cancer epidemiology of the GMDS and the DGSMP
• Member of the European Laryngeal Society, ELS; Elected Member of the Scientific Council of the European Laryngeal Society (ELS)
• Member of the professional association of German ENT doctors
• Member of the German University Association

Honorary memberships

• Honorary member of the Royal Belgian ENT Society
• Honorary member of the Indian Head and Neck Cancer Society•Honorary member of the Austrian ENT Society
• Honorary member of the Czech ENT Society

Editor, scientific expert review

• Editor and editor of the journal Laryngo-Rhino-Otology, Thieme Verlag,
• Editor and Editor (Specialty Chief Editor) Frontiers in Oncology- Head and Neck Cancer
• Editorial board of the journal “Oral Oncology” Elsevier•Editorial board “The Oncologist” Springer Verlag
• Advisory board member of the magazine "HNO", Springer Verlag
• The reviewer of the journals “Head and Neck”, “Journal of Cancer Research and Clinical Oncology”, “International Journal of cancer ”,“ European Archives of Oto-Rhino-Laryngology ”,“ Acta Oto-Laryngologica ”,“ ENT ”,“ Anticancer Therapy ”etc.

Awards, prizes

• 1998 Annual Meeting Scientific Poster Foundation Award "B. Vanselow, A. Dietz: Oxygenation of Lymph node Metastases Predicts Response to Radiotherapy. Annual Meeting of the American Academy of Otolaryngology-Head and Neck Surgery San Antonio Texas, USA
• 1997 Scholarship from the German Cancer Aid for the course "Cancer of Head and Neck" of the "European School oncology "in Milan, Italy from November 23, 1997, to November 27, 1997
• 2006 Poster award from the Polish study group "Head & Neck Cancer" as part of the 5th European Workshop on Basic Biology of Head & Neck Cancer, 16th -18th November 2006, Poznán, Poland. Work: “Occupationalwood thirst exposure and the risk of laryngeal cancer. A population-based case-control study in Germany ”
• 2007 Young Investigators Award from Multinational Association of Supportive Care in Cancer (MASCC), St.Gallen, Ch: Singer S, Dietz A, Gudziol H, Klemm E, Oeken J, Wulke C, Meister EF, Schwarz G: measuring quality of life in laryngeal cancer patients - is the EORTC QLQ-H & N35 a valid instrument
• Since 2008 Named in the "Guter Rat list of doctors" Germany's best doctors 2008, where doctors can be treated "the Super Illu (a total of 24 ENT doctors were mentioned nationwide)
• 2012American Head and Neck Society poster award for work: “Tumor Therapy Manager - Implications for anew tumor board "