Professor Jonathan Ledermann is a highly esteemed Consultant Medical Oncologist, specialising in the treatment of gynaecological and colorectal cancers. He serves as the lead medical oncologist and the clinical research lead for gynaecological cancers in the North London Cancer Network. His extensive expertise and dedication to the field have made him a prominent figure in oncology.

Professor Ledermann's areas of expertise include the treatment of gynaecological and colorectal cancers, with a particular focus on ovarian cancer chemotherapy. He is also deeply involved in clinical trials, serving as the head of the UCL Cancer Trials Centre, one of the NCRI-accredited national cancer trials centres funded by Cancer Research UK. His leadership in this role has been instrumental in developing and leading several national and international trials in gynaecological cancer, including two current trials with novel drugs in ovarian cancer.

Graduating in medicine from UCL and UCH Medical School, Professor Ledermann further honed his skills in medical oncology at UCH, Charing Cross Hospital London, and the Princess Margaret Hospital in Toronto. He joined UCL as a consultant in 1990, bringing with him a wealth of knowledge and experience.

In addition to his clinical and research roles, Professor Ledermann is an active member of the NCRI clinical studies group for gynaecological cancers and represents the UK on the Gynaecological Cancer InterGroup (GCIG). His contributions to the field are well-documented through numerous publications in the areas of ovarian and colorectal cancer. He also serves on the editorial boards of several professional journals and acts as a medical advisor to various pharmaceutical companies.

Professor Ledermann is recognised internationally as an expert in ovarian cancer and has lectured extensively on his research. His commitment to advancing cancer treatment and improving patient outcomes continues to drive his work.

Diseases, Medical Tests and Treatments:
- Treatment of gynaecological and colorectal cancers
- Ovarian cancer (chemotherapy)
- Gynaecological oncology
- Colorectal cancers

Professor Ledermann's appointment in 1990 marked the beginning of a distinguished career dedicated to oncology, research, and patient care. His contributions to the field have had a significant impact on the treatment and understanding of gynaecological and colorectal cancers.