Sieds Rienks is a SF change agent pur sang. He was psychologist, manager, medi-ator, speaker, coach and leader all his life. He supports many change programs for many organisations. Most of them on the top level of corporates, hospitals, health care or government. Even now he is 71 years old, he still influences people in many organisations. And he is deeply attached to young workers in start-up organisations. And always, always his approach is Solution Focus.