25.9.5
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MC
Mark Collins
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
17 November 2020
Issue Date
Expiration Date
Certification Number
31 December 2026
Caitlyn Pollihan CEO & Executive Director
Mark Emerson Collins
#0847 ISA Certified Arborist
SO-10569A
ISA Certified Arborist ®
ISA Certified Arborist ®
November 17, 2020
International Society of Arboriculture
