conflict resolution expert fresno, modesto, merced CALuke Wiesner has been a conflict specialist since 2014, providing mediation, coaching, training, and facilitation to workplaces, families, neighbors, community organizations, and individuals. Luke holds a BA in Psychology from Western Washington University and a Master’s of Science in Organizational Leadership, Negotiation, and Conflict Resolution from Creighton University. He is a certified mediator under Resolution Washington and the Washington Mediation Association, which recognized him for his work in the field of conflict resolution and peacemaking in 2017. At Pollack Peacebuilding, Luke oversees internal operations and communication. He also supports, onboards, and provides engagement opportunities for our peacebuilders and consultants. In addition to his work PPS, Luke heads the conflict management systems team at University of California, Merced.