25.10.20
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
DS
Douglas Sargent Kern
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
28 September 2022
Issue Date
Expiration Date
28 September 2027
Caitlyn Pollihan CEO & Executive Director
Douglas Sargent Kern
ISA Tree Risk Assessment Qualification®
ISA Tree Risk Assessment Qualification®
September 28, 2022
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
8 September 2021
Issue Date
Expiration Date
Certification Number
31 December 2027
Caitlyn Pollihan CEO & Executive Director
Douglas Sargent Kern
#0847 ISA Certified Arborist
RM-8477A
ISA Certified Arborist ®
ISA Certified Arborist ®
September 8, 2021
International Society of Arboriculture
