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Ananda Timm-Zderic
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
16 November 2018
Issue Date
Expiration Date
19 January 2029
Caitlyn Pollihan CEO & Executive Director
Ananda Timm-Zderic
ISA Tree Risk Assessment Qualification®
ISA Tree Risk Assessment Qualification®
November 16, 2018
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
12 November 2005
Issue Date
Expiration Date
Certification Number
31 December 2026
Caitlyn Pollihan CEO & Executive Director
Ananda Timm-Zderic
#0847 ISA Certified Arborist
PN-5937A
ISA Certified Arborist ®
ISA Certified Arborist ®
November 12, 2005
International Society of Arboriculture
