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RA
Ronald Anthony Enos
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
20 April 2023
Issue Date
Expiration Date
20 April 2028
Caitlyn Pollihan CEO & Executive Director
Ronald Anthony Enos
ISA Tree Risk Assessment Qualification®
ISA Tree Risk Assessment Qualification®
April 20, 2023
International Society of Arboriculture
The International Society of Arboriculture
Hereby Announces That
Has Earned the Credential
ISA Certified Arborist Utility Specialist®
By successfully meeting ISA Certified Arborist Utility Specialist certification requirements through demonstrated attainment of relevant competencies as supported by the ISA Credentialing Council
31 January 1999
Issue Date
Expiration Date
Certification Number
30 June 2025
Caitlyn Pollihan CEO & Executive Director
Ronald Anthony Enos
MA-0633AU
ISA Certified Arborist Utility Specialist®
ISA Certified Arborist Utility Specialist®
January 31, 1999
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
15 April 1998
Issue Date
Expiration Date
Certification Number
30 June 2025
Caitlyn Pollihan CEO & Executive Director
Ronald Anthony Enos
#0847 ISA Certified Arborist
MA-0633AU
ISA Certified Arborist ®
ISA Certified Arborist ®
April 15, 1998
International Society of Arboriculture
