25.9.2
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WS
William Simonson
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
8 November 2003
Issue Date
Expiration Date
Certification Number
31 December 2024
Caitlyn Pollihan CEO & Executive Director
William Simonson
#0847 ISA Certified Arborist
WE-0553A
ISA Certified Arborist ®
ISA Certified Arborist ®
November 8, 2003
International Society of Arboriculture
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Expired
Expired credential.
