Mark Duntemann is the owner of Natural Path Urban Forestry Consultants, a consulting business he started in 1988.  He achieved a Master’s of Science in Forestry, with an emphasis on urban forestry, from the University of Wisconsin – Madison and a Bachelor’s of Science in Forestry from the University of Montana.  Mark is an International Society of Arboriculture (ISA) Board-Certified Master Arborist (RM 131B) and instructor for the ISA’s Tree Risk Assessment Qualification.  In addition to his TRA qualification, he maintains a tree assessment certification from the UK-based Arboricultural Association and recently held the Quantified Tree Risk Assessment (QTRA) certification.  Mark is the ISA representative to the seven-member, Council of Tree and Landscape Appraisers (CTLA), currently tasked with developing the 10th Edition of the Plant Appraisal Guide.  He received the ISA’s True Professional Award in 2016.

Marks primary focus is on developing tree risk management policies for government agencies and private sector companies. He provides tree risk management guidance on projects in North and South America, Asia and Europe.  He presents internationally on topics of tree risk and urban forestry policy development and is currently researching a book on the topic of tree risk management.  Mark serves as an expert witness in numerous tree-related litigation cases and uses this experience to inform his perspective on tree risk.