Anthony McCain

Dean Marianos
Vice President, Construction

AGL Resources

Dean Marianos was named vice president of Construction in September 2017. In this role, he is responsible for leading the construction departments for all of Southern Company Gas. These departments are instrumental in constructing hundreds of millions of dollars of quality pipeline infrastructure improvements involving our rider programs – GRAM-related programs in Georgia, Investing in Illinois, SAFE, and SAVE, new business expansions and general system improvements.

Dean brings 25 years of experience with Southern Company Gas and General Electric, including leadership positions in Supply Chain, Field Operations and Resource Management. He is a member of the Southern Gas Association, and has served on the Supply Chain Committee and Customer Field Service Delivery Committee. He is active in other community and civic organizations in the Atlanta metro area.

Dean earned a bachelor's degree in Electrical Engineering from Clemson University and a master's degree in Business Administration from the University of South Carolina.

Dean lives with his wife in Alpharetta, Georgia, and has two children.

October 2017


About Southern Company Gas

Southern Company Gas is a wholly owned subsidiary of Atlanta-based Southern Company (NYSE: SO), America's premier energy company. Southern Company Gas serves approximately 4.2 million natural gas utility customers through its regulated distribution companies in 4 states. Other nonutility businesses include asset management for natural gas wholesale customers and ownership and operation of natural gas storage facilities. For more information, visit Southern Company Gas at