25.10.21
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WS
William Shearer
3 Credentials
1 Issuer
The International Society of Arboriculture
Hereby Announces That
Has Earned the Credential
ISA Tree Risk Assessment Qualification®
By successfully meeting ISA Tree Risk Assessment Qualification requirements through demonstrated attainment of relevant competencies as supported by the ISA Credentialing Council
12 August 2021
Issue Date
Expiration Date
12 August 2026
Caitlyn Pollihan CEO & Executive Director
William Shearer
ISA Tree Risk Assessment Qualification®
ISA Tree Risk Assessment Qualification®
August 12, 2021
International Society of Arboriculture
The International Society of Arboriculture
Hereby Announces That
Has Earned the Credential
ISA Certified Arborist Utility Specialist®
By successfully meeting ISA Certified Arborist Utility Specialist certification requirements through demonstrated attainment of relevant competencies as supported by the ISA Credentialing Council
21 August 2004
Issue Date
Expiration Date
Certification Number
30 June 2026
Caitlyn Pollihan CEO & Executive Director
William Shearer
WE-4268AU
ISA Certified Arborist Utility Specialist®
ISA Certified Arborist Utility Specialist®
August 21, 2004
International Society of Arboriculture
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
27 March 1999
Issue Date
Expiration Date
Certification Number
30 June 2026
Caitlyn Pollihan CEO & Executive Director
William Shearer
#0847 ISA Certified Arborist
WE-4268AU
ISA Certified Arborist ®
ISA Certified Arborist ®
March 27, 1999
International Society of Arboriculture
