Christiaan works with individuals and teams in training, conflict coaching, mediation, and somatic trauma work. He met John Kinyon in 2006 and since then he has invited John and Ike Lasater for trainings in the Netherlands. He has also since trained with them in Germany, Poland, and Italy. He has conducted yearly NVC-mediation training based on the MYL-framework for over 10 years now. He is a certified trainer in Nonviolent Communication since 2015 as well as a Somatic Experiencing Practitioner since 2024.