David has a PhD in organic chemistry and spent 4 years in the pharmaceutical industry developing drugs for cardiovascular disease and cancer.
Inspired by the placebo effect, he left the industry to write books and educate people in the different ways they can harness their mind and emotions to impact their health. He is the author of 10 books, including The Little Book of Kindness and How Your Mind Can Heal Your Body. David is the Kindness Tzar for Psychologies Magazine and writes for The Kindness Conversation section. He has appeared on Channel 4's Sunday Brunch in the UK as well as on CBS Sunday Morning in the USA.