David Millican

President
dmillican-AT-trison-group.com

David Millican graduated from Southern College of Technology with a Bachelor of Science in Architectural Engineering Technology in 1992. His experience includes working as an intern architect, field superintendent and project manager before starting Trison Group in 2003. David and his wife, Lori has three boys Parker, Preston, and Davis. This is where the company name comes from. He enjoys family camping, hiking, golf, sailing and running.

Affiliations

Dogwood Church building team, and Board chair GPiL

Mike Herrington

Vice President/Project Manager
mherrington-AT-trison-group.com

Mike Herrington graduated from Shorter College with a Bachelor of Science, Business Administration in 1999. He joined Trison in January 2004. His responsibilities include accounting, project scheduling, working hand and hand with project superintendent’s daily, and assisting in strategic planning. Mike resides in Coweta County. He enjoys hunting and other outdoor activities.

Craig Gardiner

General Superintendent
cgardiner-AT-trison-group.com

Craig Gardiner has been working with David Millican for eleven years. He joined Trison in January 2004. He continues his education in taking various OSHA and construction related classes. His responsibilities include supervising subcontractors and coordinating daily tasks on the job site. He assists in strategic company planning. Craig and his wife Michelle reside in Coweta County. They have three children Johnathan, MaryChase, and Emmiline. He enjoys spending time with his family and outdoor activities.

Affiliations

He servers as a Home Fellowship Group leader and 4th/5th grade Sunday school teacher at South Crest Church.

Greg Anderson

Superintendent
ganderson-AT-trison-group.com

Greg Anderson joined Trison in 2006. He graduated from Georgia Southern College. He continues his education in taking various OSHA and construction related classes. His responsibilities include supervising subcontractors and coordinates daily tasks on the job site. Greg and his wife Andrea live in Fayetteville Georgia. They have one son, Cole. He enjoys spending time with his family, camping, fishing and hunting. They attend Fayetteville Christian church.

Cathy Slosky

Administrative Assistant
cslosky-AT-trison-group.com

Cathy joined Trison in 2005. Her responsibilities include job accounting, payroll and general office duties.

Tammie Adams

Project Coordinator
tadams-AT-trison-group.com

Tammie Adams joined Trison Group in 2008. She is responsible for assisting Project Managers including preparing proposals, contract negotiations, preparing bid proposals, specifications and project accounting reports. Tammie is married to Ray Adams they live in Senoia, Georgia. She has one daughter, one son, and two stepdaughters and four granddaughters. She volunteers in City of Senoia civic programs. She is a member of White Oak Baptist Church and serves as a Vacation Bible School Director/Teacher, Director of “Sweat Monday” Ministry, Assisted in church finance and Budget, and Assistant Music Leader.