25.10.21
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Devin Lloyd Hessler
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
8 November 2024
Issue Date
Expiration Date
8 November 2029
Caitlyn Pollihan CEO & Executive Director
Devin Lloyd Hessler
ISA Tree Risk Assessment Qualification®
ISA Tree Risk Assessment Qualification®
November 8, 2024
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
20 February 2023
Issue Date
Expiration Date
Certification Number
30 June 2026
Caitlyn Pollihan CEO & Executive Director
Devin Lloyd Hessler
#0847 ISA Certified Arborist
WI-1540A
ISA Certified Arborist ®
ISA Certified Arborist ®
February 20, 2023
International Society of Arboriculture
