25.8.20
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NP
Nathan Putnam
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
4 February 2022
Issue Date
Expiration Date
Certification Number
30 June 2025
Caitlyn Pollihan CEO & Executive Director
Nathan Putnam
#0847 ISA Certified Arborist
ON-2798A
ISA Certified Arborist ®
ISA Certified Arborist ®
February 4, 2022
International Society of Arboriculture
