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Water Resources, Director:
Tyler was appointed director of the Gwinnett County Department of Water Resources in 2019.
Tyler holds a Master of Science degree in Environmental Engineering from the Georgia Institute of Technology and has over 38 years of experience in the water industry.
Since her employment with Gwinnett County in 2001, Tyler has served in several management roles in the Gwinnett Department of Water Resources including Deputy Director of Operations and Assistant Director. As director, she is responsible for water production, water reclamation, distribution of drinking water, collection of wastewater, and stormwater services.
Tyler is dedicated to the department’s mission of providing superior water services at an excellent value to the residents of Gwinnett County.
Water Resources, Assistant Director:
Rebecca Shelton, PE
Rebecca oversees the department’s treatment facilities, pipe maintenance, and technical support divisions.
Rebecca has a Bachelor of Science degree in Environmental Engineering from the University of Central Florida and Master of Science degree in Civil Engineering from the Georgia Institute of Technology. She has over 20 years of experience as a civil engineer and is a Professional Engineer in Georgia.
While she has spent more than half of her career at the Gwinnett Department of Water Resources, her experience also includes public works at the City of Alpharetta and sewer evaluation and rehabilitation at the City of Atlanta. She enjoys building effective teams and is continuously looking for ways to improve operations. Rebecca is passionate about water resources and comes from three generations of plumbers.
Water Resources, Director of Strategic Planning:
Lisa Willis, PE
Lisa is responsible for program delivery of Gwinnett’s $190 million water and sewer bond. She also oversees development and implementation of the Department’s Intergovernmental Agreements.
Lisa has a Bachelor of Science degree in Civil Engineering and a Master of Science degree in Environmental Engineering from Duke University. She is a Professional Engineer with over 30 years of experience. Prior to working at Gwinnett County, Lisa served as a private sector consultant on water and wastewater planning, design, and construction projects.
Lisa is a proud Gwinnett County resident and loves working for the County. Her goal is to deliver superior service and support to customers, citizens, and County staff.
Water Resources, Deputy Director – Field Operations:
Steve Sheets, PE
Steve oversees the department’s Field Operations Divisions.
Steve holds a Bachelor of Science degree in Geological Engineering from the University of Missouri - Rolla. Prior to working at the County, he spent 12 years in the private sector, specializing in site development and storm water engineering.
Steve joined the Department of Water Resources in 2011 in the Operations Technical Services division and was promoted to his current role in 2017. As the Director of Field Operations, Steve oversees the assessment, maintenance, and rehabilitation of the County’s water, sewer, and stormwater pipe networks. Together, these pipes measure over 8,000 miles in length.Steve takes pride in the work he and his team do on a daily basis to protect the health and safety of Gwinnett citizens
Water Resources, Deputy Director – Facility Operations:
Charlie oversees the department’s Facility Operations Divisions.
Charlie is a proud graduate of Troy University and holds a Bachelor of Science degree in Business Management from the university’s Sorrell College of Business.
Charlie has more than 15 years of experience in the engineering and public works industries. Prior to working for Gwinnett County in 2014, he spent ten years building road, bridge, and pipeline projects throughout the metro Atlanta area.
Charlie was appointed to his current position in 2020. He oversees the operations, maintenance, and engineering divisions at the County’s water production, water reclamation, and pump station facilities. The Operations Division consists of more than 200 water professionals dedicated to protecting public health and the environment by treating water to some of the nation's highest quality standards.
Water Resources, Deputy Director – Engineering and Construction:
Kris Campbell, PE
Kris oversees the department’s Engineering and Construction Divisions.
Kris is a Professional Engineer and holds licenses in thirteen states.
Kris has over 34 years of engineering and construction experience, designing and delivering industrial and municipal projects throughout the United States. Before joining Gwinnett County, he spent 27 years in the private sector as a consulting Civil/Structural Engineer.
Kris has been with the Department of Water Resources since 2013. Since then, he as worked his way up in the organization from an Engineer V to his current role. His divisions are responsible for successful delivery of pipe system and facility projects.
Water Resources, Deputy Director – Technical Services:
Srinivas Jalla, PE
Srinivas Jalla oversees the department’s Technical Services Divisions.
Srinivas holds a Master of Science degree in Civil Engineering from the University of New Orleans. He is also a registered Professional Engineer and a Certified Management Professional.
Srinivas has 25 years of private sector and local government experience designing of water and wastewater treatment systems. Srinivas was the lead design engineer for Yellow River Water Reclamation Facility upgrades. During his previous tenure at Gwinnett County, Srinivas efforts resulted in reducing energy & chemical costs, implementing asset management best practices, and optimizing treatment processes. As a consulting engineer, he served as vice president for a global engineering firm and as a partner in a regional engineering firm serving water and wastewater utilities in the southeast.
Srinivas is passionate about Gwinnett and community service, serving on several boards in the County and State.