Hanspeter and Vreni Nüesch have four grown-up children and a growing number of grandchildren. They live in Boppelsen/ZH. They love to search for beautiful crystals as a hobby. Above all, however, they love to make crystals shine in people: in addition to promoting spirit-filled leaders, Hanspeter is active in reconciliation work and as a consultant for national Christ Days. He is the author of the book "Ruth and Billy Graham - the legacy of a married couple". Hanspeter Nüesch led Campus for Christ in Switzerland for thirty years.