25.10.2
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Suggested Credentials
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AC
Adam C. Williams
3 Credentials
1 Issuer
The International Society of Arboriculture
Hereby Announces That
Has Earned the Credential
ISA Board Certified Master Arborist®
By successfully meeting ISA Board Certified Master Arborist certification requirements through demonstrated attainment of relevant competencies as supported by the ISA Credentialing Council
5 March 2021
Issue Date
Expiration Date
Certification Number
30 June 2027
Caitlyn Pollihan CEO & Executive Director
Adam C. Williams
OH-0624BM
ISA Board Certified Master Arborist®
ISA Board Certified Master Arborist®
March 5, 2021
International Society of Arboriculture
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
17 October 2014
Issue Date
Expiration Date
17 October 2024
Caitlyn Pollihan CEO & Executive Director
Adam C. Williams
ISA Tree Risk Assessment Qualification®
ISA Tree Risk Assessment Qualification®
October 17, 2014
International Society of Arboriculture
warning
Expired
Expired credential.
The International Society of Arboriculture
Hereby Announces That
Has Earned the Credential
ISA Certified Urban Forest Professional
By successfully meeting ISA Certified Urban Forest Professional certification requirements through demonstrated attainment of relevant competencies as supported by the ISA Credentialing Council
29 August 2012
Issue Date
Expiration Date
Certification Number
30 June 2024
Caitlyn Pollihan CEO & Executive Director
Adam C. Williams
OH-0624AM
ISA Certified Urban Forest Professional
ISA Certified Urban Forest Professional
August 29, 2012
International Society of Arboriculture
warning
Expired
Expired credential.
