Kirsten Dierolf lectures and works as a solution-focused trainer and coach. She lives in Bad Homburg, Germany. Daniel Meier is a professional coach and coach trainer, and the director of Solutionsurfers. He lives in Bremgarten, Switzerland. Peter Szabo, Doctor of Law and Master Certified Coach, is Founder and Director of Weiterbildungsforum Basel, the largest coaching school in Switzerland. He also teaches coaching at several European universities. He coaches individual and corporate clients on management and life issues.