Our Mission

  • To promote the importance of trees and green spaces for our community's health and well-being.

  • To provide property owners with unbiased advice on tree health and best management practices.

  • To provide useful and memorable education, training, and documentation for safe and proper arboriculture and green industry practices.

Previous owners of award winning tree care company, Global Tree Preservation, team up again to provide superior green industry guidance specializing in arboriculture.

Our Team
Odis Sisk

Odis is a 3rd generation arborist with a passion for all things arboriculture.  He has performed many roles throughout his career starting in 1999 including:

Production Climbing Arborist

National & International Instructor

Regional Safety Director

Plant Health Care Consultant & Technician

Operations Manager

Expert Witness


As an International Society of Arboriculture Certified Arborist, Utility Specialist, and Tree Worker, he is well equipped in the many aspects of tree care and preservation. 


ISA Certified Arborist # SO-4211AUT


Rachel Sisk

Rachel has helped clients from the business office since 1999, and has enjoyed working in the arboriculture industry since 2010.  She loves learning and widening her scope of understanding about science, art, and industry.  Her experience includes:

Reception & Bookkeeping

Communications & Marketing

Plant Health Care Technician & Groundsman

Project & Records Management

Rachel graduated from the University of Georgia with a Bachelor of Arts in Studio Art and concentration in Scientific Illustration.  You may have seen her paintings at art exhibitions in Gainesville and beyond.



(678) 617-1223
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Green Prism Consulting, LLC.  |  (678) 617-1223  |  PO Box 297, Gainesville, GA 30503

© 2019 by Green Prism Consulting