Dr David Hamilton is a writer, columnist, speaker, and kindness scientist. After completing his PhD, he worked in cardiovascular and cancer R&D with one of the world's largest pharmaceutical companies. Inspired by the placebo effect, he left the industry to write about and educate in how we can best harness our mind and emotions to optimise our health. He is now the author of 11 books and has appeared as a guest on Sunday Brunch in the UK and CBS Sunday Morning in the US discussing the health benefits of kindness.