Dr. Stark has been the lead for the Teenage and Young Adult Oncology Unit, since 1996. He received his medical degree from the University of Cambridge, and completed his studies for a PhD in Oncology in the University of Leeds in 2000.

Dr. Stark is the clinical lead for Germ cell tumours in the Yorkshire Region of the UK. Clinical Research in the Unit includes the epidemiology, biology, early presentation and management in clinical trials. He also conducts clinical trials in Sarcoma.

The main objectives of Dr. Stark’s research are: To improve outcomes for Teenagers and Young Adults with cancer, by studying the epidemiology, diagnosis, care and treatment for this patient group. He conducts this research grateful for competitive grant funding support from the EU FP-7, UK NIHR, Cancer Research UK, Teenage Cancer Trust and others.  Within the ENCCA project Dr Stark provides leadership for the work on Teenagers and Young Adults

Dr. Stark is member of the UK National Cancer Research Institute Teenage and Young Adult Cancer Studies group, the English Clinical Reference Group for Teenagers and Young Adults with cancer, and the Association of Cancer Physicians.