
Karl is devoted to creating learning spaces and communities rooted in peace, justice, and sustainability. Drawing on more than 20 years of experience teaching and facilitating groups, he has supported meaningful learning in a wide range of settings, from university classrooms to ecovillages and urban gardens.
As a Certified Trainer in Nonviolent Communication (NVC), Karl leads trainings in conflict resolution and communication throughout North America, Europe, and Asia. He also facilitates Restorative Circles, a community-based restorative justice practice grounded in NVC, and works with Kathleen Macferran to support CNVC trainer candidates through the Trainer Candidate Community Program (TCCP).
Alongside his professional work, Karl is committed to co-creating communities that reflect sustainability, transformational learning, and consciousness. His personal practice includes aikido, yoga, Buddhist meditation, permaculture, integral theory, and play.