Upcoming CoursesAre you offering a course and want ISA credits? Please contact our Chapter's Certification Liaison, Scott Sjolander at 814-350-7749 or [email protected] CertificationWant to become a Certified Arborist or Tree Worker? Already certified but want to become a specialist?Learn More About Becoming CertifiedDifferent Types of ISA CertificationsFind out about upcoming ISA test dates |