Dr Duncan Dymond has had an outstanding career spanning four decades. He has carried out pioneering research in the field of cardiovascular disease. His specialty includes widening blocked arteries, and he was one of the first in the UK to use balloon technology to do so. He also performs a variety of invasive and noninvasive surgeries to alleviate conditions like palpitations, dizziness, and a variety of other heart pathologies. He teaches and lectures nationally and internationally, has written for newspapers, appeared on TV and radio, and serves as an expert witness in court.