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LC
Luis Casas
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
22 June 2021
Issue Date
Expiration Date
Certification Number
30 June 2027
Caitlyn Pollihan CEO & Executive Director
Luis Casas
WE-9157B
ISA Board Certified Master Arborist®
ISA Board Certified Master Arborist®
June 22, 2021
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
11 December 2015
Issue Date
Expiration Date
31 December 2025
Caitlyn Pollihan CEO & Executive Director
Luis Casas
ISA Tree Risk Assessment Qualification®
ISA Tree Risk Assessment Qualification®
December 11, 2015
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
5 April 2010
Issue Date
Expiration Date
Certification Number
30 June 2023
Caitlyn Pollihan CEO & Executive Director
Luis Casas
#0847 ISA Certified Arborist
WE-9157A
ISA Certified Arborist ®
ISA Certified Arborist ®
April 5, 2010
International Society of Arboriculture
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Expired
Expired credential.
