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SB
Sherrilyn Billger
1 Credential
1 Issuer
The International Society of Arboriculture
Hereby Announces That
Sherrilyn Billger
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
Caitlyn Pollihan CEO & Executive Director
30 June 2028
10 February 2019
PD-2708A
Expiration Date
Certification Number
Issue Date
#0847 ISA Certified Arborist
ISA Certified Arborist ®
ISA Certified Arborist ®
February 10, 2019
International Society of Arboriculture
