Jeffrey M. Slotterback was appointed CFO of Atlas Energy Group LLC (ATLS) and Atlas Resource Partners LP (ARP), limited liability company Atlas Energy Group LLC said Aug. 31. The appointment is effective Sept. 18.

Currently, Slotterback is chief accounting officer of ATLS and ARP, his role since March 2011. Slotterback has held senior financial management positions at Atlas and predecessor companies since May 2007.

Slotterback will replace Sean McGrath as CFO. McGrath will transition the role to Slotterback over the next several weeks, the company said. Slotterback will continue serving as chief accounting officer.

Previously, Slotterback was a senior auditor at Deloitte and Touche LLP, focused on energy and healthcare.

He has a bachelor’s degree in accounting from Muhlenberg College in Allentown, Pa. He is certified public accountant.

"We are very pleased to welcome Jeff into his new role, one in which we are confident he will perform exceptionally as he has for us for many years. Jeff's deep understanding of our industry and capital structure through numerous complex transactions has made him uniquely qualified to lead the financial functions of our companies. We expect that Jeff will continue to be a strong asset to our executive management team as we look to further grow our enterprises," said Edward E. Cohen, CEO of ATLS.