On October 1, 2010, Kim R. Cocklin was named President and Chief Executive Officer of Atmos Energy Corporation and was elected to the Board in November 2009. Cocklin served as President and Chief Operating Officer from 2006 to 2008. He joined Atmos Energy in 2006 after serving as senior vice president, general counsel, and chief compliance officer for Piedmont Natural Gas Company in Charlotte, N.C.

Cocklin's legal practice primarily focused on energy, utility, rate and regulatory matters, and he has previously served in the capacity of general counsel as well as other executive management positions for interstate natural gas pipeline companies.

Cocklin holds bachelor's and master's degrees from Wichita State University and a law degree from Washburn University.