25.9.12
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MJ
Michael Joseph Williams
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
14 February 2023
Issue Date
Expiration Date
Certification Number
30 June 2026
Caitlyn Pollihan CEO & Executive Director
Michael Joseph Williams
#0847 ISA Certified Arborist
TX-4913A
ISA Certified Arborist ®
ISA Certified Arborist ®
February 14, 2023
International Society of Arboriculture
