McDermott International Inc. has named Stephen M. Johnson, the company’s current president and chief operating officer, president and chief executive officer of J. Ray McDermott S.A. “This is an exciting time for J. Ray and, I believe, as a standalone public company, we will be well positioned to drive growth through the expected future upswing in the offshore oil and gas industry,” he said.

Mustang has announced the retirement of Don Colchin, president of Mustang’s automation and control business unit. Richard Seale (left), manager of projects for the business unit,has been elected to succeed Colchin as president.

Foster Wheeler AG has appointed Clive Vaughan to the newly created post of chief executive officer, upstream oil and gas group, in the company’s global engineering and construction group.

Sharon Mosher, chair of the Department of Geological Sciences in the Jackson School of Geosciences at The University of Texas at Austin since 2007, has been named dean of the Jackson School.

Geo-Texture Technologies has appointed Hans Sheline (right) as director of technology.

Mike Bayda has joined Brooks Instrument as global level product manager.

Crowley Maritime Corp. has named Dorine Tessier (right) vice president of sales and chartering for its petroleum transportation group. “I’m very happy to be joining such a highly skilled team and look forward to the opportunities and challenges chartering, sales, and marketing presents,” she said.

RigNet, Inc. has named Barise Hatfield to the position of director - global human resources.