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Celine Colbert
4 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
8 August 2022
Issue Date
Expiration Date
Certification Number
31 December 2025
Caitlyn Pollihan CEO & Executive Director
Celine Colbert
PD-2534BM
ISA Board Certified Master Arborist®
ISA Board Certified Master Arborist®
August 8, 2022
International Society of Arboriculture
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
19 March 2021
Issue Date
Expiration Date
Certification Number
30 June 2025
Caitlyn Pollihan CEO & Executive Director
Celine Colbert
PD-2534AM
ISA Certified Urban Forest Professional
ISA Certified Urban Forest Professional
March 19, 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
16 March 2018
Issue Date
Expiration Date
16 March 2028
Caitlyn Pollihan CEO & Executive Director
Celine Colbert
ISA Tree Risk Assessment Qualification®
ISA Tree Risk Assessment Qualification®
March 16, 2018
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
30 June 2016
Issue Date
Expiration Date
Certification Number
30 June 2025
Caitlyn Pollihan CEO & Executive Director
Celine Colbert
#0847 ISA Certified Arborist
PD-2534A
ISA Certified Arborist ®
ISA Certified Arborist ®
June 30, 2016
International Society of Arboriculture
