25.10.20
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DJ
Daniel J. Barwinski
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
9 December 2021
Issue Date
Expiration Date
9 December 2026
Caitlyn Pollihan CEO & Executive Director
Daniel J. Barwinski
ISA Tree Risk Assessment Qualification®
ISA Tree Risk Assessment Qualification®
December 9, 2021
International Society of Arboriculture
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
28 April 2016
Issue Date
Expiration Date
Certification Number
30 June 2025
Caitlyn Pollihan CEO & Executive Director
Daniel J. Barwinski
WI-0716B
ISA Board Certified Master Arborist®
ISA Board Certified Master Arborist®
April 28, 2016
International Society of Arboriculture
