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AO
Andres Olaya-Davila
3 Credentials
1 Issuer
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
21 March 2019
Issue Date
Expiration Date
Certification Number
30 June 2025
Caitlyn Pollihan CEO & Executive Director
Andres Olaya-Davila
ON-1388AM
ISA Certified Urban Forest Professional
ISA Certified Urban Forest Professional
March 21, 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
5 May 2017
Issue Date
Expiration Date
31 May 2027
Caitlyn Pollihan CEO & Executive Director
Andres Olaya-Davila
ISA Tree Risk Assessment Qualification®
ISA Tree Risk Assessment Qualification®
May 5, 2017
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 February 2010
Issue Date
Expiration Date
Certification Number
30 June 2025
Caitlyn Pollihan CEO & Executive Director
Andres Olaya-Davila
#0847 ISA Certified Arborist
ON-1388AM
ISA Certified Arborist ®
ISA Certified Arborist ®
February 10, 2010
International Society of Arboriculture
