Paul Dilse, a founding member of CAHP, has written site histories, statements of cultural heritage value for individual properties and historic areas, text for commemorative plaques, an historical interpretation program for a complex of historic buildings, corporate histories, and text for selfguided walking tours. His subjects for historical research have included both urban and rural buildings, main streets and neighbourhoods, parks and cemeteries, organizations as well as professional careers. Paul Dilse, a graduate of the professional planning school at the University of Waterloo, has 30 years specialized experience in heritage planning. He has produced heritage conservation district study reports and plans, heritage impact assessments, design guidelines for historic areas, official plan policies, reports for environmental assessments, Part IV designation reports and by-law schedules, and inventories of built heritage resources and cultural heritage landscapes. His experience includes expert witness testimony.