Dr Ruban completed his medical degree at Imperial College London, before completing his specialist training in London. He has a Masters (MSc) in Medical Education at UCL and a PhD at Imperial College. He has experience of conducting an NIHR funded multicentre randomised controlled trial and won the prestigious Integrated Healthcare Scholarship in 2021 from the International Federation for the Surgery of Obesity and Metabolic Disorders (IFSO).

He is on the British Society of Gastroenterology (BSG) small bowel and nutrition committee and has specialist interests in nutrition and inflammatory bowel disease.