Participants must hold, or previously held, at least one of the following credentials: • ISA Board Certified Master Arborist® • ISA Certified Arborist® • ISA Tree Risk Assessment Qualified • A degree in arboriculture, urban forestry, traditional forestry, or horticulture that is part of a national qualifications framework or is from a college or university that is accredited or recognized under a system that is substantially similar to accreditation. • AHC30810 Certificate III in Arboriculture (Australia) • ASCA Registered Consulting Arborist (RCA) status • Connecticut Arborist License • European Tree Technician • European Tree Worker • Fachagrarwirt Baumpflege • Louisiana Arborist License • Manitoba Arborist Training and Licensing Program • Maryland Tree Expert • Massachusetts Certified Arborist • New Hampshire Arborists Association Certified Arborist • New Jersey Certified Tree Expert • NZ National Certificate in Horticulture (Arboriculture) (Level 4) • Rhode Island Arborist License • Society of American Foresters Certified Forester • UK Qualifications and Credit Framework Level 2 certificate or diploma in arboriculture