Atmos Energy

ATO

UtilitiesNYQ$30.0B

ATO SEC filings last scanned 22 Aug 2026, 17:12 UTC

CEO Timeline

J. Kevin AkersCurrent

Oct 2019 — Present(6y 11mo)

J. Kevin Akers was appointed President and CEO of Atmos Energy Corporation effective October 1, 2019, succeeding Michael E. Haefner.

1 source filing — click to expand

Michael E. Haefner

Oct 2017 — Sep 2019(1y 11mo)

Michael E. Haefner was appointed President and Chief Executive Officer of Atmos Energy Corporation, effective October 1, 2017, succeeding Kim R. Cocklin.

health considerations

2 source filings — click to expand

Kim R. Cocklin

Oct 2010 — Oct 2017(7y)

Kim R. Cocklin was appointed President and Chief Executive Officer of Atmos Energy Corporation, effective October 1, 2010, succeeding Robert W. Best.

Kim R. Cocklin stepped down as Chief Executive Officer of Atmos Energy Corporation, effective October 1, 2017, transitioning to Executive Chairman of the Board.

4 source filings — click to expand

Robert W. Best

Since at least Nov 2005 — Oct 2010(4y 11mo)

transitioned to newly-created position of executive chairman

2 source filings — click to expand