Costas Delvenakiotis The Beach Rotana Abu Dhabi has appointed a new director of revenue, a new director of business development and a newly appointed director of engineering, as it gears up for the second half of 2016. Costas Delvenakiotis is the new director of engineering and is a seasoned professional with 26 years’ experience, 13 years in the hospitality industry and 13 years in the oil and shipping industry. For the last eight years he was the director of engineering at the Regency Casino Mont Parnes in Athens Greece. Before joining the hospitality industry, Costas worked with the ExxonMobil Corporation, assigned at various international managerial positions in the USA, Netherlands, UK and Belgium.