25.10.20
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Suggested Credentials
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RJ
Richard James Holtz
3 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
21 December 2022
Issue Date
Expiration Date
21 December 2027
Caitlyn Pollihan CEO & Executive Director
Richard James Holtz
ISA Tree Risk Assessment Qualification®
ISA Tree Risk Assessment Qualification®
December 21, 2022
International Society of Arboriculture
The International Society of Arboriculture
Hereby Announces That
Has Earned the Credential
ISA Certified Urban Forest Professional
By successfully meeting ISA Certified Urban Forest Professional certification requirements through demonstrated attainment of relevant competencies as supported by the ISA Credentialing Council
31 August 2022
Issue Date
Expiration Date
Certification Number
30 June 2023
Caitlyn Pollihan CEO & Executive Director
Richard James Holtz
WE-8393AM
ISA Certified Urban Forest Professional
ISA Certified Urban Forest Professional
August 31, 2022
International Society of Arboriculture
warning
Expired
Expired credential.
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 April 2008
Issue Date
Expiration Date
Certification Number
30 June 2023
Caitlyn Pollihan CEO & Executive Director
Richard James Holtz
#0847 ISA Certified Arborist
WE-8393A
ISA Certified Arborist ®
ISA Certified Arborist ®
April 12, 2008
International Society of Arboriculture
warning
Expired
Expired credential.
