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Peter Mandino
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
4 April 2025
Issue Date
Expiration Date
4 April 2030
Caitlyn Pollihan CEO & Executive Director
Peter Mandino
ISA Tree Risk Assessment Qualification®
ISA Tree Risk Assessment Qualification®
April 4, 2025
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
23 February 2024
Issue Date
Expiration Date
Certification Number
30 June 2027
Caitlyn Pollihan CEO & Executive Director
Peter Mandino
#0847 ISA Certified Arborist
ON-2402AT
ISA Certified Arborist ®
ISA Certified Arborist ®
February 23, 2024
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
26 October 2018
Issue Date
Expiration Date
Certification Number
31 December 2027
Caitlyn Pollihan CEO & Executive Director
Peter Mandino
ON-2402T
ISA Certified Tree Climber
ISA Certified Tree Climber
October 26, 2018
International Society of Arboriculture
