The board of Mainland Resources Inc., based in Houston, has appointed leading exploration and production executive Nicholas W. Atencio as chief executive and director of the company.

Geokinetics Inc. has announced that Ronald D. Cayon has been appointed as the company's interim chief financial officer, pending completion of a search for a permanent replacement.

Scott Bender, president of Wood Group Pressure Control, will step down and hand over the leadership of the company to successor Ian Milne. Bender will support the transition through December 2010 before leaving to pursue personal interests.

INTECSEA has named Uri Nooteboom president, succeeding Craig Reeves, who is returning to a position within the WorleyParsons Group in Australia.

Savi Technology has announced that William Clark has joined the company as senior vice president and chief marketing officer.

Petris Technology Inc. has appointed Jerry Martin vice president of Western Hemisphere.

Dallas-based TEAK Midstream LLC has appointed Gayle W. Muench as vice president of corporate development.

Athens Group has appointed David Wight as the company’s new director of quality.

Offshore Solutions B.V., the joint venture between AMEC and Cofely Nederland N.V., has appointed Lindsay Young as managing director.

Jamie Efurd has been named vice president of marketing at Foster Marketing Communications. She will manage the agency’s business development efforts.