Dollar General Corporation announced that Rick Dreiling will step down as a member and the chairman of the board of directors effective January 29, 2016 and it has named Michael M. ‘Mike' Calbert as non-executive chairman effective January 30, 2016. Calbert has been a member of the board of directors of Dollar General for over eight years. He served as chairman of the board of Dollar General from July 2007 to December 2008 and has been lead director since March 2014.

Dreiling's resignation from the board of directors coincides with his previously announced retirement as senior advisor. Calbert has nearly 30 years of retail experience. He joined KKR & Co.

L.P. in January 2000 and led the Retail industry team within KKR's Private Equity platform prior to his retirement in January 2014. Calbert joined Randall's Food Markets beginning in 1994 and served as the Chief Financial Officer from 1997 until it was sold in September 1999.