Polar explorer, TED speaker, and record-breaking long-distance skier Ben Saunders fuses the spirit of adventure with impressive technical ingenuity. He has five North Pole expeditions under his belt and is best known for leading one of the most ambitious expeditions in a century. Humble and self-effacing, he is an explorer of limits and his message is one of inspiration, empowerment, and boundless potential. He explores the dichotomy between ideas and action and urges audiences to consider carefully how to spend the “tiny amount of time we each have on this planet.”

Tim Peake is a former Apache pilot, flight instructor, test pilot and current European Space Agency astronaut. A veteran of 18 years military service, Tim has flown over 3,000 hours on operations worldwide. In December 2015, Tim became the first British astronaut to visit the International Space Station and conduct a spacewalk during his six-month mission, Principia, where he captured the hearts and minds of millions. Tim’s mission engaged more than two million students in outreach activities. He has a background as a test pilot and a British Army Air Corps officer, and he is also a best-selling author. In addition to his achievements, he ran the London marathon from space. He is an ambassador for STEM Education, The Prince’s Trust, and the Scout Association.