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PR
Patrick Ryan Crooks
1 Credential
1 Issuer
The International Society of Arboriculture
Hereby Announces That
Has Earned the Credential
ISA Certified Arborist ®
By successfully meeting ISA Certified Arborist certification requirements through demonstrated attainment of relevant competencies as supported by the ISA Credentialing Council
22 March 2019
Issue Date
Expiration Date
Certification Number
30 June 2025
Caitlyn Pollihan CEO & Executive Director
Patrick Ryan Crooks
#0847 ISA Certified Arborist
WE-12523A
ISA Certified Arborist ®
ISA Certified Arborist ®
March 22, 2019
International Society of Arboriculture
