25.10.0
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Suggested Credentials
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RS
Ricardo Sanchez
3 Credentials
1 Issuer
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
1 June 2023
Issue Date
Expiration Date
Certification Number
30 June 2026
Caitlyn Pollihan CEO & Executive Director
Ricardo Sanchez
SW-0057AT
ISA Certified Tree Climber
ISA Certified Tree Climber
June 1, 2023
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
10 November 2022
Issue Date
Expiration Date
Certification Number
31 December 2025
Caitlyn Pollihan CEO & Executive Director
Ricardo Sanchez
#0847 ISA Certified Arborist
SW-0057A
ISA Certified Arborist ®
ISA Certified Arborist ®
November 10, 2022
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
16 September 2021
Issue Date
Expiration Date
16 September 2026
Caitlyn Pollihan CEO & Executive Director
Ricardo Sanchez
ISA Tree Risk Assessment Qualification®
ISA Tree Risk Assessment Qualification®
September 16, 2021
International Society of Arboriculture
