Ragan Altizer has replaced Quentin Hicks as chief financial officer at Halcon Resources
Stuart Pinks is retiring as chief executive of the Canada-Nova Scotia Offshore Petroleum Board
Former Akwa Ibom state senator Ita Enang has been named Senior Special Advisor to the Nigerian President on Niger Delta Affairs
Gulf Marine Services chief executive Duncan Anderson has quit
Colin Elcoate has been appointed chief executive of Alderley
Hempel has appointed Nigel Shewring group director of research & development
Drew Alexander has joined the board of Prodrill Energy Resource Solutions
