Leadership
June 22, 2025 2025-10-28 13:14Leadership
Prof. Dr. Ralf Rössler
Prof. Dr. Ralf Rössler is responsible for all academic and research-related activities at DTMD. A specialist in interdisciplinary periodontology and prevention, he is deeply involved in shaping the content and quality of postgraduate curricula. Prof. Rössler brings decades of academic experience to DTMD, including appointments at the University of Giessen, Charité Berlin, the Steinbeis University Berlin, and the Dental Association of Lower Saxony. His research focuses on biomaterials development and tissue engineering, and his clinical expertise includes regenerative periodontal surgery, implantology, and preventive care. He holds degrees in Chemistry from Heidelberg and in Dentistry from Hannover and Giessen.
Prof. Dr. Dr. Thomas Gergen
Member Board of Directors, CEO
General administrative questions and above all the administrative establishment of research, study and cooperation programmes are topics that Thomas Gergen works on for the DTMD international teaching and research network.
As a professor, his own teaching and research areas are Civil law, European legal and institutional history and philosophy as well as cross-border legal issues. He also leads research on intangible assets and intellectual property at the University of Saarland and serves as legal advisor for French law at the Regional court of Saarbrücken.
Claudia Nacke
As COO of DTMD, Claudia Nacke is responsible for university-wide processes with a particular focus on digital infrastructure and ensuring a smooth experience for students and teachers. She manages interdisciplinary teams, develops scalable processes and translates strategic goals into measurable implementation.
In the IT department, she has overall responsibility for DTMD's enterprise systems and platforms, She defines standards for online teaching and collaboration and is responsible for business continuity and cyber security policies.
Her career includes positions at Capgemini, roles in med-tech start-ups and at Consessor AG. This combination of consulting, product and operations enables her to connect technology and academia, build high-performing teams and scale DTMD's postgraduate programmes securely and efficiently.
Prof. Dr. Valentin Djonov
Member Board of Directors, International Relations
In 1995 he became a Research Assistant at the Division of Developmental Biology, Institute of Anatomy, Bern. Followed Habilitation (Assistant Professor) for Gross Anatomy, Histology and Embryology in November 2002 and Associate Professor since March 2006 at the same institute. In September 2007 V. Djonov was promoted to Full professor and Co-director at Institute of Anatomy, Fribourg, Switzerland. In 2010 he returned to Bern as a Director of the Institute of Anatomy. As a part of the AnaPath GmbH, one of the largest European pre-clinical CROs, he provides for years histopathology and electron microscopy services.
Prof. Dr. Ata Anil
Prof. Dr. Ata Anil supports the internationalization of DTMD’s academic programs. In his role as Vice Dean for International Studies Affairs, he fosters academic exchange and collaboration across borders, ensuring that DTMD remains globally connected and accessible to professionals in medicine and dentistry worldwide.
