Aberdeen-based, BMT Cordah, a subsidiary of the BMT Group, an international maritime design, environmental and engineering consultancy, has announced the appointment of Norman Di Perno as its Managing Director. Dr David Sell, who has been the company’s Managing Director for the past four and a half years, will take up the role of Technical Director. With a background in environmental engineering and hydrogeology, Di Perno’s focus for the business will be to further enhance its global reach as a multi-disciplinary environmental consultancy for the offshore oil and gas and marine renewable sectors. Di Perno has held both Managing Director and Director positions throughout his career and has worked within the BMT group of companies since 2000.