25.9.5
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Suggested Credentials
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BT
Björn Thibom
1 Credential
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
11 September 2022
Issue Date
Expiration Date
11 September 2027
Caitlyn Pollihan CEO & Executive Director
Björn Thibom
ISA Tree Risk Assessment Qualification®
ISA Tree Risk Assessment Qualification®
September 11, 2022
International Society of Arboriculture
