Dr. Nikos Diamantis is a Medical Oncology Consultant specializing in colorectal, oesophageal, gastric, pancreatic, liver, and bile duct cancers, as well as cancers of unknown primary. He leads the Acute Oncology and Cancer of Unknown Primary programs. Dr. Diamantis completed his specialist training at Imperial College Healthcare Hammersmith, St Mary's, and Harefield Hospitals. Awarded the Greek national Oncology fellowship scholarship, he conducted clinical research for two years at the Drug Development Unit of the Royal Marsden. His research interests include immunotherapy for GI malignancies and first-in-human clinical trials. Dr. Diamantis serves as the Principal Investigator for several Phase 2 and 3 trials, contributing significantly to advancements in oncology.