About People

Dan McMahon

Dan McMahon, PMP

Vice President

Dan McMahon joined Shannon & Wilson in 1997. He is experienced in providing environmental investigations and cleanup activities in Alaska and Washington and is the Environmental Department Manager for Shannon & Wilson's Anchorage office. He conducts a wide range of environmental projects requiring planning, permitting, assessment, investigation, and remediation for sites throughout Alaska. He has conducted or managed numerous projects that have entailed Phase I and II Environmental Site Assessments, underground storage tank closures, release investigations, cleanup actions, hazardous building material assessments, and other specialized services. Dan also has experience working on engineering and design services teams, preparing environmental permitting documents, and providing third-party document review for regulatory agencies.


  • BA, Environmental Conservation, University of Colorado at Boulder, 1993


  • Certified Project Management Professional (PMP)


  • Project Management Institute (PMI®)
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