Grethe Moen has assumed her new role as President and CEO of Petoro, succeeding Kjell Pedersen who retired from the company. As a consequence of Moen's move to the top position, Jan Terje Mathisen (picture) has been temporary appointed to Moen's previous job as vice president for Petoro's mature fields. Mathisen is a civil engineer and economist with a broad background from project management, field development and business development. He joined Petoro in 2008.