Steve Harbin, Founder and Senior Consultant, has over 30 years of extensive civil and environmental engineering experience with a focus in the solid waste arena. Notably, he completed more than 250 solid waste projects including projects for 63 out of Georgia's 159 counties. He assisted in the closure of approximately 19 landfills. Additionally, Mr. Harbin served on the faculty of The Solid Waste Association of North America, Landfill Operators Certification Course and is currently serving on The State of Georgia Landfill Operators Certification Course faculty. Prior to founding Harbin Engineering in 2006, he was a founding partner with Hodges, Harbin, Newberry & Tribble in Macon , Georgia. He has a Bachelor's of Science in Civil Engineering from The Georgia Institute of Technology. 

As the President, Curtis Reynold's field of expertise includes civil and environmental projects involving water, wastewater, and natural gas systems. He designs water and wastewater treatment plants and system improvements, booster pump stations, sewage pumping stations, elevated water tanks, groundwater wells, landfill site plans, and industrial site plans. Mr. Reynolds specializes in projects involving water supply withdrawal, treatment, and distribution; sewage collection, pumping and treatment; storm water management design; and erosion and sedimentation control. He works extensively with projects involving funding and permitting with local and state authorities as well as coordination of construction activities.  Additionally, Mr. Reynolds serves on the faculty for the Georgia Chapter of The Solid Waste Association of North America, Landfill Operators Certification Course. His career began in 2008, after earning his Masters of Science in Civil Engineering at The Georgia Institute of Technology.

Tonia joined our team in 2019 and brings with her a background in wastewater and water system design. She has four years of experience as a project engineer with Carter & Sloope. Tonia earned a BSE in Environmental Engineering from Mercer University, in 2015. She also has extensive experience as an Automotive Technician. Her problem-solving skills, attention to detail and work ethic make her an asset to our team. Tonia lives in Monroe County, has four active children, and enjoys woodworking.  

As a consulting engineer with more than five years of experience, David performs design and permitting for solid waste facilities and storm water management systems, as well as construction administration for projects including waste excavation, landfill closure, and new landfill cell design. Other experience includes landfill operations assistance and environmental monitoring. David joined Harbin Engineering in 2017, bringing an array of environmental, mechanical, agricultural, and technical experience. He is a certified Level II GSWCC Plan Reviewer and a member of Georgia SWANA, and serves as SWANA's Awards Committee Chair for the Waste Conversion and Energy Recovery Technical Division. David earned his Bachelors of Science in Agricultural Engineering from the University of Georgia in 2016 (Go Dawgs!), along with a minor in Environmental Soil Science and water resources coursework. Outside of work, David enjoys playing with his folk band, Foxfire Revival, spending time outdoors, and tinkering with home projects. 

After earning his Bachelors of Science (BS) in Geology at the University of West Georgia, Isaac joined our team as Environmental Scientist to assist with environmental monitoring and consulting. His love for the outdoors and passion for bettering the world we live in drives him to be successful in this role. Isaac is an avid sports fan, even working with the Atlanta Braves for three years during college. In his free time, Isaac enjoys hiking, recreational sports, and studying meteorology.

 As a CAD drafter, Hannah assists the engineers with their CAD drawings. She graduated from Middle Georgia State University with a Bachelor's of Science Degree in Clinical Psychology. Hannah began her career with Harbin Engineering in 2018 as an Office Manager. Her background is in management and entrepreneurship. Hannah is a native to Monroe County, a mother of five, and enjoys reading and spending time with her family.

Michelle manages everything financial, including Accounts Payable and Receivable. She holds a Bachelor's Degree in Information & Technology with a concentration in Accounting from Middle Georgia State University. Michelle began her career with Harbin Engineering in 2011 and has a passion for helping H.E. staff and clients succeed, as well as giving back to her community.

Carrie manages day-to-day operations and keeps the office organized and running smoothly.  She graduated from Clayton State College in 2009 with a Bachelor's of Science in Integrative Studies with a focus in Healthcare. She enjoys hiking, camping, traveling with her daughter, and all things outdoors! When she's not outdoors she loves watching her Georgia Bulldogs and Atlanta Braves!