Dan has led the Langdon Group since 2004 with offices in six western states. He is a nationally-known expert in collaboration for highly complex cases that involve science and environmental policy. He is known for his ability to look at problems from a holistic approach that incorporates his expertise in business, conflict resolution, organizational development, environment and public policy. Dan developed the 5P’s Model of Engagement as a diagnostic and problem solving tool for multi-agency collaboration helping Political, Policy, Program, Project and Public levels of agencies. This model helps representatives from diverse interests work hand-in-hand in bridging gaps and developing actionable solutions for agencies at all levels.