** Mark Tyndall appointed a non-executive director of Edinburgh explorer Cairn Energy.
** Weatherford International senior vice president Stuart Ferguson appointed non-executive director of Aberdeen-based well engineering and construction company The Peak Group.
** Les Graves joins UK engineering company Norson Services as director of pipelines, process and umbilical services.
** Mark Bayman joins UK upstream engineering consultancy Altra Energy as operations director, and Peter Chadbourn joins as engineering director.
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