Marcus B. Müller holds a PhD in social psychology. He is a university professor of management and an international scholar at the Center for Self-determination Theory (CSDT) in Florida. After almost 20 years in the business world, Marcus moved into the scientific field of human motivation where he has combined leading-edge science—including his own scientific research—with his professional experience as a senior executive. An internationally recognized strategic thinker, influential speaker, and management consultant, he is the author of several books, including the ABC of Life.