Caelan is the Principal of Zephyr Collaboration, which he formed in 2017, and is a Senior Mediator with 19 years of experience helping stakeholders develop more effective policy for land use, environmental, public health and security issues. Caelan has extensive practice working on high conflict and technically complex projects in transportation and forest planning. He has worked nationally and internationally on public policy issues regarding mining, fisheries management, air quality, and environmental justice. He also has extensive experience in strategic planning and interagency coordination.