Alasdair entered the industry in 1972. Alasdair has experience in the valuation of investment properties for private and public sectors. Accepted as an expert witness before the Supreme Court of BC, arbitration board and BC Expropriation Compensation Board. Appraisal Institute of Canada Accreditation: 1985). Alasdair retired as a practicing member of the Appraisal Institute in 2012, however, provides occasional consulting services.