Bristow Group Inc. has appointed Jonathan E. Baliff senior vice president and chief financial officer.

Steve Cowper, former Governor of Alaska, has joined Knowledge Ops Inc. as a senior fellow for Government Affairs.
GDF SUEZ E&P UK Ltd. has appointed Jean-Claude Perdigues as UK managing director.

Trinity International Services has promoted Dean Burgess to managing director. Burgess will lead the company’s activities across the Gulf of Mexico, South America, Canada, Africa, the Middle East, South East Asia, and the North Sea.

Ziff Energy Group has appointed David Grevelle director, gas services in Houston.

RBG has appointed Garry Lewis (left) key account director of the UK Continental Shelf, and Roger Esson (right) has been promoted to sales director.

Pradeesh Somasundaram has joined Eagle Burgmann as manager of supply chain and continuous improvement of processes.

InterMoor has named Joe Hebert operations manager. Hebert will work at the company’s new Morgan City, La., facility.