Mr. Stirling is a historian who specializes in using history to help solve client issues related to natural resource management, environmental due diligence, and the preservation, protection, and promotion of public health. He currently ownes and operates Heritage North which uses historical research to help solve natural resource, environmental, and public health issues.

Mr. Stirling was a historian with the Alaska Department of Natural Resources, 1980-1986, where he specialized in historic waterway and trails research for the State's navigability and RS-2477 programs.

Between 1987 and 1996 Mr. Stirling worked for Hart Crowser Inc. (Seattle,WA) and Landau Associates, Inc. (Edmonds, WA) primarily specializing in environmental site assessments and PLP searches. He was also the corporate librarian for Landau Associates, Inc. Mr. Stirling was an information specialist with the toxicology consulting firm, Intertox Inc., 1998-2005, during which time he also managed a practice area in land use history and environmental due diligence.

Mr. Stirling received B.A. and M.A. degrees from the University of Alaska and Alaska Pacific University and a certificate in records and information management from the University of Washington's extension program.