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DS
Dan Sturm
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
14 April 2023
Issue Date
Expiration Date
14 April 2028
Caitlyn Pollihan CEO & Executive Director
Dan Sturm
ISA Tree Risk Assessment Qualification®
ISA Tree Risk Assessment Qualification®
April 14, 2023
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
22 October 2020
Issue Date
Expiration Date
Certification Number
31 December 2026
Caitlyn Pollihan CEO & Executive Director
Dan Sturm
#0847 ISA Certified Arborist
SO-10555A
ISA Certified Arborist ®
ISA Certified Arborist ®
October 22, 2020
International Society of Arboriculture
