This is a comprehensive guide for leaders and professionals alike on how to become more influential -- the last mile of leadership and a key driver of career success and satisfying personal relationships. It goes through the 16 key principles of influence, how you can develop tailored influence strategies for different contexts (e.g., company cultures, ethnic cultures, challenging situations), and foundational habits for expanding your influence repertoire, all illustrated with real-life examples from boardrooms and job interviews in the U.S., Europe, Asia-Pacific and India. This book will help you better understand where others are coming from, find mutually beneficial paths out of conflicts, and stimulate your development of influence skills towards positive outcomes for yourself and others. Its ultimate higher purpose is to promote higher productivity, satisfaction and sustainable growth in individuals, companies, and societies, by inviting you to deepen your self-mastery journey.