Bear Grylls OBE has become known worldwide as one of the most recognized faces of survival and outdoor adventure. Trained as part of 21 SAS Regiment, Grylls went on to become one of the youngest climbers ever to reach the summit of Mount Everest. He then went on to star in seven seasons of the Discovery Channel's Emmy Award-nominated Man vs. Wild TV series, which became one of the most watched shows on the planet, reaching an estimated 1.2 billion viewers. Since then he has gone on to host more extreme adventure TV shows across more global networks than anyone else in the world, including six seasons of the global hit Running Wild with Bear Grylls. His Running Wild guests have included President Obama, Will Ferrell, Ben Stiller, Roger Federer, Julia Roberts, Prime Minister Modi of India and many other stars. His autobiography, Mud Sweat and Tears, spent fifteen weeks at Number 1 on the Sunday Times bestseller list and he has written over ninety books, selling in excess of eighteen million copies worldwide. He is an Honorary Colonel to the Royal Marines Commandos, the youngest ever UK Chief Scout, and the first ever Chief Ambassador to the World Scout Organization, representing a global family of some fifty million Scouts.