(AP) — An Alpha Natural Resources executive has left the coal producer amid a financial restructuring.
Alpha says in a filing with the U.S. Securities and Exchange Commission that Brian D. Sullivan resigned to pursue another employment opportunity. Sullivan's resignation was effective on Friday.
According to the company's website, Sullivan had served as executive vice president and chief commercial officer since September 2012. He also was president of Alpha Australia LLC, serving in that position since February 2011.
Bristol, Virginia-based Alpha filed for Chapter 11 bankruptcy protection on Aug. 3. The company is one of the nation's biggest coal producers and has mines in Virginia, West Virginia, Kentucky, Pennsylvania and Wyoming.