Dr Rangan Chatterjee is a pioneer in the emerging field of progressive medicine and is changing the way that we look at illness. He is known for taking a 360 - degree approach to health, which was highlighted in his ground-breaking BBC TV show, Doctor in the House, and in his first book The 4 Pillar Plan. He is the resident doctor on BBC One's Breakfast, a regular commentator on BBC Radio and hosts his own chart topping podcast. He writes for the Huffington Post, and has a monthly column on lifestyle medicine in Top Santé. He regularly lectures on his subject at events around the world.