Rob ShallenbRob Shallenberger talks to Clint Betts about what he learned about leadership from the high-performance fighter pilot world and what he means by “Do What Matters Most.” Rob Shallenberger is one of the world’s leading authorities on leadership and execution. He’s trained and coached hundreds of companies around the world, including many Fortune 500 organizations. He is also the author of two books, Becoming Your Best and Do What Matters Most.erger