In these exclusive interviews, we speak to Jeff Raikes (Founder, Raikes Foundation and former CEO of the Bill & Melinda Gates Foundation), Eli Broad (Founder of the Broad Foundations), Sir Ratan Tata (Chairman Emeritus, Tata Group), Anousheh Ansari (Trustee of the X Prize Foundation, and title sponsor of the Ansari X Prize), John Paul Dejoria (Philanthropist and Entrepreneur, Founder of Paul Mitchell and The Patrón Spirits Company), Craig Newmark (Founder, craigslist and craigconnects), Michael Holthouse (Entrepreneur & Founder of  Holthouse Foundation for Kids & Lemonade Day), Robert Tjian (President, Howard Hughes Medical Institute), Baroness Eliza Manningham-Buller (Chair, Wellcome Trust), Harvey V. Fineberg, M.D., Ph.D. (President, Gordon & Betty Moore Foundation), Jacquelline Fuller (Director, Google.org) and Darren Walker (President, Ford Foundation).  We discuss the fundamental nature of charity and philanthropy- looking at why these phenomena exist together with their role and impact on society. We also talk about their individual journeys in philanthropy, and how their organisations are aiming to tackle some of society’s greatest problems.