25.10.21
This website uses cookies to ensure you get the best experience on our website.
Learn more
Got it!
Skip to main content
Suggested Credentials
Sign in
CT
Christopher Thompson
2 Credentials
2 Issuers
Successfully Completed
on November 16, 2017
for 1 CEU/CE/PDH/CH/CL
Christopher Thompson
Three Design Issues That Impact Long-Term Health of Urban Trees
November 16, 2017
ISDM
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
25 May 2013
Issue Date
Expiration Date
Certification Number
31 December 2027
Caitlyn Pollihan CEO & Executive Director
Christopher Selwyn Thompson
#0847 ISA Certified Arborist
SO-6873A
ISA Certified Arborist ®
ISA Certified Arborist ®
May 25, 2013
International Society of Arboriculture
