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Angelia Parham joined Gwinnett County as Support Services Department Director in May 2013. She previously served as the Public Works Director for the city of Sandy Springs and assisted with the startup of several other newly incorporated cities during her tenure at CH2M Hill. Angelia was formerly the Deputy Director and Interim Director for the city of Roswell’s Transportation Department. Prior to that, she conducted research with the Texas Transportation Institute at Texas A&M University. Her earlier experience includes positions with the Town of Farragut, Tennessee; the University of Tennessee Transportation Center; Friendswood Development Company, a subsidiary of Exxon Corporation; and as a cooperative education student with the Federal Highway Administration.
Angelia is a professional engineer and earned both her Master of Science and Bachelor of Science in civil engineering from the University of Tennessee, Knoxville. She was named 2008 Public Works Director of the Year by American City and County Magazine. Angelia has been a member of the Roswell Recreation Commission since 2012. She served as a member of the Transportation Research Board’s Operational Effects of Geometrics Committee for nine years, and she previously served in leadership roles in the American Society of Civil Engineers, American Public Works Association, and the Optimist Club of West Knoxville.
Angelia and her husband, John Abrera, have four grown children and two grandsons.
David Mogge became the Deputy Director in February 2021. David was previously the Facility Construction Division Director. In this role, David managed a team responsible for design and construction of new general government facilities such as fire stations, police stations, and libraries; capital maintenance projects such as roof replacements, HVAC replacements and upgrades, and plumbing upgrades; and major facility renovations. Dave began his career with Gwinnett County in 2013 as an Engineering Coordinator in the Support Services Department. He also serves on the Gwinnett County Environmental Sustainability Committee.
Prior to joining Gwinnett County, Dave served as a project engineer with the U.S. Army Corps of Engineers. He started his career as a Civil Engineering Officer in the United States Air Force and remains active in the United States Air Force Reserve as a commissioned officer.
Dave is a professional engineer and a certified energy manager, and he earned both Master of Engineering and Bachelor of Science in Civil Engineering degrees from the University of Florida.
Dave and his wife, Adrienne, have two sons.
Ron Adderley became the Deputy Director in October 2021. Ron was previously the Fleet Management Division Director, where he managed the purchase and maintenance of approximately 3,000 vehicles and pieces of equipment; fuel delivery of over 5,000,000 gallons per year at 11 fuel sites; and the sale of surplus vehicles, equipment, and other items totaling over $1,000,000 per year.
Ron previously served as the Field Operations Manager and Capital Improvement Program Manager for the city of Centennial, Colorado, and as the Field Services Manager for the city of Sandy Springs while with CH2M HILL. Prior to that, he was the Construction and Maintenance Division Manager for the city of Roswell Transportation Department and was a Construction Project Manager with the Georgia Department of Transportation. Ron also served as an original member and supervisor of GDOT’s H.E.R.O. program in metro Atlanta.
Ron and his wife, Jane’t, have one daughter.
Business Services Division Director:
Susan Paul became Fiscal and Solid Waste Management Division Director in March 2019. In this role, Susan provided financial management support for the Department’s budget, contracts, fixed assets, procurement, billing and receivables, and administers the County’s Solid Waste Program. In 2022, she became Director of Business Services to focus primarily on process improvement, financial management, and training for the Department of Support Services.
Susan began her career with Gwinnett County in 2003 in the Department of Financial Services. Since that time, she has held a variety of positions within the Finance Department. Most recently, she served as a Project Coordinator in the Office of Strategy and Performance Management. Prior to joining Gwinnett County, Susan was a public service faculty member with the University of Georgia.
Susan earned a Master’s in Public Administration from the University of Georgia and a Bachelor's of Arts in Economics from Randolph-Macon Woman’s College in Lynchburg, Virginia. Susan has secured both Level I and Level II Finance Officer Certifications from the University of Georgia. Additionally, she has obtained the designation of Certified Public Finance Officer from the Government Finance Officers Association.
Facility Construction Division Director:
Jay Meister became the Facility Construction Division Director in May 2021. In this role, Jay manages the team responsible for design, construction, and renovation of general government facilities such as fire stations, police precincts, and libraries; capital maintenance projects such as roof, HVAC, and plumbing replacements and upgrades. Jay joined Gwinnett County as a Program Manager for Support Services in 2020.
Jay previously served as the Director of Project Management Services for Southern Methodist University managing an annual capital construction budget of $300 million. He also served as a Construction Project Manager for the University of Wyoming where he managed design and construction for projects for higher education. His private sector experience includes telecommunication and architectural design industries.
Jay earned a Bachelor of Science in economics and finance from the University of Wyoming. He also served in the United States Marine Corps as a noncommissioned officer.
Outside of work, Jay enjoys spending time outdoors and coppersmithing.
Operations and Maintenance Division Director:
Zac Churney became the Operations and Maintenance Division Director in February 2022. Zac began his career with Gwinnett in 2018 as an Engineer IV, where he managed a team responsible for the daily operations of the mechanical, electrical, low voltage, and plumbing systems at Gwinnett’s libraries, courthouses, OneStop locations, and other County facilities. Prior to joining Gwinnett, Zac worked as a project and sales engineer with a multifamily HVAC contractor.
Zac earned a Bachelor of Science in Mechanical Engineering from the Georgia Institute of Technology. While at Georgia Tech, he was part of a team that developed a stroller capable of going up stairs. The team was a finalist at the 2014 InVenture prize. Zac is also a member of the American Society of Mechanical Engineers.
Outside of work, Zac enjoys watching sports and golfing.
Real Estate and Records Management Division Director:
Clyde Shackleford became the Real Estate and Records Management Division Director in October 2020. In this role, Clyde provides management functions related to County owned real estate, records retention and disposal, County mail services, and food service contracts.
Clyde began his career with Gwinnett County in 2012 as a Real Estate Specialist in the Support Services Department. Since then, he served with the Planning and Development Department as a Planner and as the Real Estate Section Manager in Support Services. Prior to joining Gwinnett County, Clyde held positions in land surveying, geographic information system applications, and as a real estate associate broker.
Clyde earned a Bachelor of Arts in Political Science from Virginia Tech and a Certificate in Local Government Management from the University of Georgia. He is also a licensed Real Estate Broker in Georgia and Virginia, a licensed Real Estate Appraiser in Georgia, and a certified Right-of-Way Agent through the International Right-of-Way Association.
Outside of work, Clyde enjoys spending time outdoors.