25.7.12
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GV
Gordon Vlas
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
3 March 2025
Issue Date
Expiration Date
Certification Number
30 June 2028
Caitlyn Pollihan CEO & Executive Director
Gordon Vlas
#0847 ISA Certified Arborist
PN-10286A
ISA Certified Arborist ®
ISA Certified Arborist ®
March 3, 2025
International Society of Arboriculture
