International Society of Arboriculture Certified Tree Worker/Tree Climber Specialist PO Box 3129, Champaign IL 61826-3129
http://www.isa-arbor.com
Work Experience Required? YesOral or Written Exam Required? Yes Renewal Required? Every 3 Year(s) Renew through Continuing Educational Units(CEU)? YesRenew through Re-Examination? YesDoes applicant have choice of at least two options from above for renewal (CEU, CPD, or exam)? Yes This certification is related to Job Corps training programs. Read more about Job Corps. This certification is related to Career and Technical Education Career Clusters. Read more about career clusters.