25.12.11
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Suggested Credentials
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TM
Thomas Masters
3 Credentials
1 Issuer
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
29 January 2019
Issue Date
Expiration Date
Certification Number
30 June 2025
Caitlyn Pollihan CEO & Executive Director
Thomas Masters
SO-5853BT
ISA Board Certified Master Arborist®
ISA Board Certified Master Arborist®
January 29, 2019
International Society of Arboriculture
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
29 November 2018
Issue Date
Expiration Date
29 November 2028
Caitlyn Pollihan CEO & Executive Director
Thomas Masters
ISA Tree Risk Assessment Qualification®
ISA Tree Risk Assessment Qualification®
November 29, 2018
International Society of Arboriculture
The International Society of Arboriculture
Hereby Announces That
Has Earned the Credential
ISA Certified Tree Climber
By successfully meeting ISA Certified Tree Climber certification requirements through demonstrated attainment of relevant competencies as supported by the ISA Credentialing Council
20 October 2007
Issue Date
Expiration Date
Certification Number
31 December 2025
Caitlyn Pollihan CEO & Executive Director
Thomas Masters
SO-5853BT
ISA Certified Tree Climber
ISA Certified Tree Climber
October 20, 2007
International Society of Arboriculture
