Porvair, parent company of Porvair Technology, specialist in the applied technology of porous media, has appointed Ben Stocks as group chief executive.
The appointment follows a decision to split the roles of chairman and chief executive, held by John Morgan since 1990. Morgan will remain as chairman.
Stocks was previously managing director of the speciality packaging division of Carnaud Metal Box. Before that he worked at the coatings division of Courtaulds.
Ray Wilson has been appointed managing director of British Aerospace Airbus and joins the Airbus Industrie Executive Board. He replaces Chris Geoghegan who has taken up a new position with Airbus Industrie to help in its formation as a single corporate entity.
Wilson was previously director product operations at British Aerospace Airbus, having joined the company in 1991. Previously he had spent 24 years at Westland Group.
Roger Cooper has taken over as UK managing director of Silicon Graphics, provider of visual computing and high-performance systems. He comes from Seer Technologies, the application development vendor, where he was senior vice-president and general manager for Europe and Asia Pacific.
Chris Candler has been appointed managing director of both Satchwell Control Systems and of Siebe Environmental Controls, European operations. He has responsibility for Siebe Environmental Controls UK, Oreg Germany, Barcol Air Switzerland, Barcol Air Holland and Controlli Italy.
Candler joins from GEC where he was director of over- seas operations. He replaces Angus Cairns who has retired due to ill health.
Johnson Matthey has changed its board. David Davies, chairman and chief executive has retired. Non-executive director Michael Miles has taken over as chairman, and Chris Clark, chief operating officer of Johnson Matthey, has been appointed chief executive.
Chesterfield-based Paradigm Controls, designer and maker of operator panels and software for machine control, has appointed Lol Owen as production manager and Justin Smith as technical manager.
Dr David Giachardi joined the Engineering Employers’ Federation from chemicals firm Courtaulds, where he was a main board director with responsibility for human resources, health, safety and the environment. At the EEF he is director of policy and association affairs. The EEF has also appointed Bruce Ralph, director of EIS and chairman of Hymatic Engineering as president. He takes over from David Shingler.
Courtauld’s chief executive Gordon Campbell is to be president of the Institution of Chemical Engineers for 1998-1999.