25.10.21
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Suggested Credentials
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JW
Jasen Welton Johns
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
29 December 2016
Issue Date
Expiration Date
Certification Number
31 December 2025
Caitlyn Pollihan CEO & Executive Director
Jasen Welton Johns
SO-5648BM
ISA Board Certified Master Arborist®
ISA Board Certified Master Arborist®
December 29, 2016
International Society of Arboriculture
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
8 October 2013
Issue Date
Expiration Date
Certification Number
31 December 2025
Caitlyn Pollihan CEO & Executive Director
Jasen Welton Johns
SO-5648BM
ISA Certified Urban Forest Professional
ISA Certified Urban Forest Professional
October 8, 2013
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
1 February 2013
Issue Date
Expiration Date
27 March 2029
Caitlyn Pollihan CEO & Executive Director
Jasen Welton Johns
ISA Tree Risk Assessment Qualification®
ISA Tree Risk Assessment Qualification®
February 1, 2013
International Society of Arboriculture
