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
TS
Tim Sprecher
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
1 December 2022
Issue Date
Expiration Date
1 December 2027
Caitlyn Pollihan CEO & Executive Director
Tim Sprecher
ISA Tree Risk Assessment Qualification®
ISA Tree Risk Assessment Qualification®
December 1, 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
12 November 2019
Issue Date
Expiration Date
Certification Number
31 December 2025
Caitlyn Pollihan CEO & Executive Director
Tim Sprecher
#0847 ISA Certified Arborist
WI-1389A
ISA Certified Arborist ®
ISA Certified Arborist ®
November 12, 2019
International Society of Arboriculture
