25.13.16
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Suggested Credentials
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DR
David Robinson
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
20 October 2023
Issue Date
Expiration Date
20 October 2028
Caitlyn Pollihan CEO & Executive Director
David Robinson
ISA Tree Risk Assessment Qualification®
ISA Tree Risk Assessment Qualification®
October 20, 2023
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
11 February 2008
Issue Date
Expiration Date
Certification Number
30 June 2026
Caitlyn Pollihan CEO & Executive Director
David Robinson
#0847 ISA Certified Arborist
OH-6040A
ISA Certified Arborist ®
ISA Certified Arborist ®
February 11, 2008
International Society of Arboriculture
