He has been involved in further clinical and laboratory studies in optical diagnostics and therapy of head and neck (pre)malignancies and trained several PhD students on these subjects. He has implemented photodynamic therapy in the treatment of small primary oral cavity tumors and palliative care.

Clinical Interests: After training as an OMF Surgeon he completed the fellowship in head & neck oncology. He has been a faculty member since 2003. Next to his daily practice in H&N oncology he has a specific interest in developing optimal functional reconstruction of craniofacial defects using 3D virtual planning techniques. He has published on the advanced 3D planning of secondary reconstruction of craniofacial defects and has initiated and manages the UMCG wide 3D lab.