Cathelijne Frielink studied HLO Biotechnology at HAN in Nijmegen, she graduated in 1996. She is working as a senior research technician at the department of Nuclear Medicine. She has extensive experience in the development of new tracers and improvement of already existing tracers for PET and SPECT imaging and the treatment of cancer. Cathelijne is using animal models for preclinical characterization. In addition, she has broad experience in immunohistochemical techniques.