Sarah Robb O'Hagan
Sarah Robb O'Hagan is an executive, activist, and entrepreneur, and the founder of Extreme You, a movement to unleash high performance. As the global president of Gatorade, she led its reinvention and turnaround, and she is the former president of Equinox Fitness Clubs. Named one of Forbes's 'Most Powerful Women in Sports' and one of Fast Company's 'Most Creative People in Business,' she has also held leadership positions at Nike and Virgin Atlantic Airways. She is now the CEO of the fitness company Flywheel Sports. A sought-after expert on innovation, brand reinvention, health, fitness, and inspiring human performance, Sarah lives with her family in New York.
Sally O'Reilly is the author of two novels and has freelanced for the Guardian, Sunday Times, Evening Standard and New Scientist, specialising in careers. She is also a creative writing tutor with the Open University and Brunel University.
Richard Ollard is the author of several books, including The Image of the King: Charles I and Charles II and Pepys: a biography.
KATRINA ONSTAD is an award-winning journalist whose work has appeared in The New York Times, Guardian, Globe, Mail and Elle. Her novels include How Happy to Be and the national bestseller Everybody Has Everything, which was longlisted for the Scotiabank Giller Prize and shortlisted for the Toronto Book Award. She lives in Toronto with her husband and two children, and she swears that next weekend she is not going to work at all.
Stephen Oppenheimer, author of Eden in the East, qualified in medicine from Oxford to begin a career in tropical paediatrics. He has spent 20 years working and travelling in the Far East and Pacific region and is a world-recognised expert in the synthesis of DNA studies with archaeological and other evidence to track ancient migrations. His first book Eden in the East: The Drowned Continent of Southeast Asia challenged the orthodox view of the origins of Polynesians as rice farmers from Taiwan.
JOEL OSTEEN is the author of seven New York Times bestsellers. He is the senior pastor of America's largest congregation, Lakewood Church in Houston, Texas. More than 45,000 people attend services there every week. His televised messages are seen by more than 10 million viewers each week in the United States, and millions more in 100 nations around the world. His 24-hour channel on SiriusXM Satellite Radio and millions of social media followers have prompted numerous publications to name him as one of the most influential Christian leaders in the world. He resides in Houston with his wife, Victoria, and their children. You can visit his website at www.joelosteen.com.
James Owen is a historian and the author of Nuremberg: Evil on Trial, The Voice of War (with Guy Walters), A Serpent in Eden and Danger UXB. He writes frequently for newspapers and contributes to television and radio programmes. He lives in London.