25.7.12
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DJ
David James Leinbach
3 Credentials
1 Issuer
The International Society of Arboriculture
Hereby Announces That
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
24 May 2021
Issue Date
Expiration Date
Certification Number
30 June 2027
Caitlyn Pollihan CEO & Executive Director
David James Leinbach
PD-2362BT
ISA Board Certified Master Arborist®
ISA Board Certified Master Arborist®
May 24, 2021
International Society of Arboriculture
The International Society of Arboriculture
Hereby Announces That
Has Earned the Credential
ISA Certified Tree Climber
By successfully meeting ISA Certified Tree Climber certification requirements through demonstrated attainment of relevant competencies as supported by the ISA Credentialing Council
31 March 2016
Issue Date
Expiration Date
Certification Number
30 June 2025
Caitlyn Pollihan CEO & Executive Director
David James Leinbach
PD-2362AT
ISA Certified Tree Climber
ISA Certified Tree Climber
March 31, 2016
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
14 July 2014
Issue Date
Expiration Date
Certification Number
31 December 2023
Caitlyn Pollihan CEO & Executive Director
David James Leinbach
#0847 ISA Certified Arborist
PD-2362AT
ISA Certified Arborist ®
ISA Certified Arborist ®
July 14, 2014
International Society of Arboriculture
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Expired
Expired credential.
