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WE
Walter Ernst
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
7 July 2018
Issue Date
Expiration Date
Certification Number
31 December 2026
Caitlyn Pollihan CEO & Executive Director
Walter Ernst
PN-7288AM
ISA Certified Urban Forest Professional
ISA Certified Urban Forest Professional
July 7, 2018
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
10 February 2014
Issue Date
Expiration Date
31 December 2025
Caitlyn Pollihan CEO & Executive Director
Walter Ernst
ISA Tree Risk Assessment Qualification®
ISA Tree Risk Assessment Qualification®
February 10, 2014
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
2 December 2011
Issue Date
Expiration Date
Certification Number
31 December 2026
Caitlyn Pollihan CEO & Executive Director
Walter Ernst
#0847 ISA Certified Arborist
PN-7288AM
ISA Certified Arborist ®
ISA Certified Arborist ®
December 2, 2011
International Society of Arboriculture
