25.14.29
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
JJ
Jonathan J. O'Neill
3 Credentials
1 Issuer
The International Society of Arboriculture
Hereby Announces That
Jonathan J. O'Neill
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
Caitlyn Pollihan CEO & Executive Director
30 June 2027
17 February 2018
ON-1533BUM
Expiration Date
Certification Number
Issue Date
ISA Board Certified Master Arborist®
ISA Board Certified Master Arborist®
February 17, 2018
International Society of Arboriculture
The International Society of Arboriculture
Hereby Announces That
Jonathan J. O'Neill
Has Earned the Credential
ISA Certified Arborist Utility Specialist®
By successfully meeting ISA Certified Arborist Utility Specialist certification requirements through demonstrated attainment of relevant competencies as supported by the ISA Credentialing Council
Caitlyn Pollihan CEO & Executive Director
31 December 2026
15 February 2017
ON-1533BUM
Expiration Date
Certification Number
Issue Date
ISA Certified Arborist Utility Specialist®
ISA Certified Arborist Utility Specialist®
February 15, 2017
International Society of Arboriculture
The International Society of Arboriculture
Hereby Announces That
Jonathan J. O'Neill
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
Caitlyn Pollihan CEO & Executive Director
ON-1533BUM
31 December 2026
3 February 2017
Expiration Date
Certification Number
Issue Date
ISA Certified Urban Forest Professional
ISA Certified Urban Forest Professional
February 3, 2017
International Society of Arboriculture
