25.12.6
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DB
Dustin Bills
1 Credential
1 Issuer
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 May 2025
Issue Date
Expiration Date
Certification Number
30 June 2028
Caitlyn Pollihan CEO & Executive Director
Dustin Bills
#0847 ISA Certified Arborist
WE-15940A
ISA Certified Arborist ®
ISA Certified Arborist ®
May 19, 2025
International Society of Arboriculture
