25.12.4
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HZ
Holly Zegen Heebink
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
15 September 2023
Issue Date
Expiration Date
15 September 2028
Caitlyn Pollihan CEO & Executive Director
Holly Zegen Heebink
ISA Tree Risk Assessment Qualification®
ISA Tree Risk Assessment Qualification®
September 15, 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
5 May 2022
Issue Date
Expiration Date
Certification Number
30 June 2025
Caitlyn Pollihan CEO & Executive Director
Holly Zegen Heebink
#0847 ISA Certified Arborist
WE-14036A
ISA Certified Arborist ®
ISA Certified Arborist ®
May 5, 2022
International Society of Arboriculture
