25.9.2
This website uses cookies to ensure you get the best experience on our website.
Learn more
Got it!
Skip to main content
Suggested Credentials
Sign in
CC
CHRISTIAN CLARK
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
18 August 2022
Issue Date
Expiration Date
18 August 2027
Caitlyn Pollihan CEO & Executive Director
CHRISTIAN CLARK
ISA Tree Risk Assessment Qualification®
ISA Tree Risk Assessment Qualification®
August 18, 2022
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
19 February 2022
Issue Date
Expiration Date
Certification Number
30 June 2025
Caitlyn Pollihan CEO & Executive Director
CHRISTIAN CLARK
#0847 ISA Certified Arborist
OH-6983A
ISA Certified Arborist ®
ISA Certified Arborist ®
February 19, 2022
International Society of Arboriculture
