David Leinbach, CTSP, getting to the root of the problem. Photo courtesy of David Leinbach. Meet David Leinbach, CTSP, an arboriculture instructor, ISA Board Certified Master Arborist, ISA Certified Tree Climber and TCIA Qualified Trainer based in Fort [...]

Great training starts with great trainers. That’s where TCIA’s Trainer Qualification Program comes in. Launched in 2022, the program helps industry professionals strengthen their instructional and leadership skills and deliver more consistent, engaging and practical training to improve workplace safety. [...]

Pope teaching an advanced climbing class with student Hector Herrera, an arborist for the Nambe Pueblo reservation in New Mexico. Photo courtesy of Brian Pope. A U.S. Air Force veteran and native Floridian, Brian Pope began his career [...]

Among the many changes contained within the pending ANSI Z133-2026 revision, none may prove more significant than the restructuring of Section 4, Electrical Hazards. While much attention has been given to chain saws, drop zones and climbing systems, the electrical [...]

CPR is best performed with compressions and rescue breaths. Photo courtesy of John Ball. Arborists have their Z133 Safety Requirements for Arboricultural Operations. This industry consensus standard provides them with the safety recommendations and requirements for performing their [...]