Refining NZ (NZR) has announced that Te Mahi Hou project director, Jack Ariel, is leaving the company to be closer to his family in the United States. Effective from August 28, 2015, the project director role will be assumed by David Cunningham, a senior member of the team who has worked alongside the project director since the $365 million Te Mahi Hou project began in April 2012. He will work with the CEO and the project team to ensure the project is successfully commissioned in November, 2015.