25.9.12
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PA
Patrick A. Courchesne
2 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
6 October 2017
Issue Date
Expiration Date
6 October 2022
Caitlyn Pollihan CEO & Executive Director
Patrick A. Courchesne
ISA Tree Risk Assessment Qualification®
ISA Tree Risk Assessment Qualification®
October 6, 2017
International Society of Arboriculture
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Expired
Expired credential.
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 January 2012
Issue Date
Expiration Date
Certification Number
30 June 2027
Caitlyn Pollihan CEO & Executive Director
Patrick A. Courchesne
#0847 ISA Certified Arborist
ON-1542A
ISA Certified Arborist ®
ISA Certified Arborist ®
January 27, 2012
International Society of Arboriculture
