25.10.19
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Thaddeus Bielecki
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
5 May 2023
Issue Date
Expiration Date
5 May 2028
Caitlyn Pollihan CEO & Executive Director
Thaddeus Bielecki
ISA Tree Risk Assessment Qualification®
ISA Tree Risk Assessment Qualification®
May 5, 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 April 2015
Issue Date
Expiration Date
Certification Number
30 June 2027
Caitlyn Pollihan CEO & Executive Director
Thaddeus Bielecki
#0847 ISA Certified Arborist
FL-6730A
ISA Certified Arborist ®
ISA Certified Arborist ®
April 11, 2015
International Society of Arboriculture
