25.8.20
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Suggested Credentials
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OJ
Ong Jun Leong
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
15 October 2023
Issue Date
Expiration Date
15 October 2028
Caitlyn Pollihan CEO & Executive Director
Ong Jun Leong
ISA Tree Risk Assessment Qualification®
ISA Tree Risk Assessment Qualification®
October 15, 2023
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
11 May 2022
Issue Date
Expiration Date
Certification Number
30 June 2025
Caitlyn Pollihan CEO & Executive Director
Ong Jun Leong
#0847 ISA Certified Arborist
SG-0949A
ISA Certified Arborist ®
ISA Certified Arborist ®
May 11, 2022
International Society of Arboriculture
