25.9.2
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Mason Brownley McKay
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
1 September 2021
Issue Date
Expiration Date
Certification Number
31 December 2027
Caitlyn Pollihan CEO & Executive Director
Mason Brownley McKay
#0847 ISA Certified Arborist
MA-6442A
ISA Certified Arborist ®
ISA Certified Arborist ®
September 1, 2021
International Society of Arboriculture
