Karl is passionate about co-creating learning experiences and communities that contribute to peace, justice, and sustainability. With over 20 years of experience teaching and facilitating groups, he has helped catalyze learning in settings ranging from university classrooms to ecovillages and urban gardens. As a Certified Trainer in Nonviolent Communication (NVC) Karl leads trainings in conflict resolution and communication across North America, Europe, and Asia. In addition, he facilitates Restorative Circles, a community-based approach to restorative justice grounded in NVC, and collaborates with Kathleen Macferran in supporting CNVC trainer candidates through the Trainer Candidate Community Program (TCCP). In addition to his work with NVC and conflict resolution, Karl is actively involved in co-creating communities that embody values such as sustainability, transformational learning, and consciousness. He is also dedicated to the practices of aikido (a nonviolent Japanese martial art), yoga, Buddhist meditation, permaculture, integral theory, and play.