John Travers is a general physician in Dublin and clinical senior lecturer at the School of Medicine at Trinity College Dublin. He has a PhD from his award-winning research on building resilience and reversing frailty. He was the founding CEO of several international clean energy companies and chairperson of not-for-profit social enterprises. He has worked as a healthcare volunteer in India, Tanzania, Ghana and Ireland. He has twice won the Royal College of General Practitioners Sheppard Award for medical writing.