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MD
Mark Duntemann
4 Credentials
1 Issuer
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
18 August 2022
Issue Date
Expiration Date
Certification Number
31 December 2025
Caitlyn Pollihan CEO & Executive Director
Mark Duntemann
#0847 ISA Certified Arborist
RM-0131AM
ISA Certified Arborist ®
ISA Certified Arborist ®
August 18, 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
17 November 2014
Issue Date
Expiration Date
Certification Number
30 June 2024
Caitlyn Pollihan CEO & Executive Director
Mark Duntemann
RM-0131BM
ISA Certified Urban Forest Professional
ISA Certified Urban Forest Professional
November 17, 2014
International Society of Arboriculture
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Expired
Expired credential.
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
1 February 2013
Issue Date
Expiration Date
9 March 2028
Caitlyn Pollihan CEO & Executive Director
Mark Duntemann
ISA Tree Risk Assessment Qualification®
ISA Tree Risk Assessment Qualification®
February 1, 2013
International Society of Arboriculture
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
4 January 2012
Issue Date
Expiration Date
Certification Number
30 June 2026
Caitlyn Pollihan CEO & Executive Director
Mark Duntemann
RM-0131BM
ISA Board Certified Master Arborist®
ISA Board Certified Master Arborist®
January 4, 2012
International Society of Arboriculture
