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 how they can harness their mind and emotions to improve their health.

He is now author of 9 books, all published by Hay House, including the bestsellers, ‘How Your Mind Can Heal Your Body’, ‘I Heart Me’ and ‘The Five Side Effects of Kindness’. He writes a regular blog on his website and occasional blogs for the Huffington Post (US version) and Psychologies Life Labs. He is also the ‘Life Hacks’ monthly columnist for Soul & Spirit Magazine. In 2016, he was voted ‘Best writer’ by readers of Kindred Spirit Magazine.

David is an advocate for kindness and is working passionately to help inspire a kinder world.