25.10.20
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RC
Robert Crumpler
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
3 January 2025
Issue Date
Expiration Date
Certification Number
30 June 2028
Caitlyn Pollihan CEO & Executive Director
Robert James Crumpler
#0847 ISA Certified Arborist
SO-11387A
ISA Certified Arborist ®
ISA Certified Arborist ®
January 3, 2025
International Society of Arboriculture
