25.13.10
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Ronald Oliver Batchelor
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
15 October 2023
Issue Date
Expiration Date
15 October 2028
Caitlyn Pollihan CEO & Executive Director
Ronald Oliver Batchelor
ISA Tree Risk Assessment Qualification®
ISA Tree Risk Assessment Qualification®
October 15, 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
28 August 2018
Issue Date
Expiration Date
Certification Number
31 December 2027
Caitlyn Pollihan CEO & Executive Director
Ronald Oliver Batchelor
#0847 ISA Certified Arborist
SG-0774A
ISA Certified Arborist ®
ISA Certified Arborist ®
August 28, 2018
International Society of Arboriculture
