25.14.1
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Suggested Credentials
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DJ
David J. Scharfenberger
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
5 April 2014
Issue Date
Expiration Date
5 April 2024
Caitlyn Pollihan CEO & Executive Director
David J. Scharfenberger
ISA Tree Risk Assessment Qualification®
ISA Tree Risk Assessment Qualification®
April 5, 2014
International Society of Arboriculture
warning
Expired
Expired credential.
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
9 March 2005
Issue Date
Expiration Date
Certification Number
30 June 2026
Caitlyn Pollihan CEO & Executive Director
David J. Scharfenberger
WI-0131B
ISA Board Certified Master Arborist®
ISA Board Certified Master Arborist®
March 9, 2005
International Society of Arboriculture
