Callon Petroleum, an independent energy company, has appointed Mitzi Conn to the newly created position of vice president and chief accounting officer. She will report to President and Chief Financial Officer Joseph Gatto.

Conn, who joined Callon Petroleum in June 1993, has been corporate controller since May 2007. As of March 2014, the board appointed Conn as principal accounting officer.

Prior to May 2007, she served as assistant controller since May 2004 and has held various other positions in the finance and accounting departments. Before that, she was a general accountant for Graham Resources.