The Leadership Insiders network is an online community where the most thoughtful and influential people in America’s startup scene contribute answers to timely questions about careers and leadership. Today’s answer to the question “What is the biggest challenge facing CEOs today?” is written by Susan Schuman, CEO of SYPartners. You’ve heard it a million times: We’re in an era of disruption. Gone are the days when the forces affecting your business could be known, predicted, and studied.