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Suggested Credentials
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CW
Christopher Welch
2 Credentials
1 Issuer
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 2014
Issue Date
Expiration Date
5 February 2030
Caitlyn Pollihan CEO & Executive Director
Christopher Welch
ISA Tree Risk Assessment Qualification®
ISA Tree Risk Assessment Qualification®
December 11, 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
7 May 1999
Issue Date
Expiration Date
Certification Number
30 June 2026
Caitlyn Pollihan CEO & Executive Director
Christopher Welch
#0847 ISA Certified Arborist
RM-1057A
ISA Certified Arborist ®
ISA Certified Arborist ®
May 7, 1999
International Society of Arboriculture
