Roger is of Te Arawa and Tainui descent. He is Chair of the Te Arawa River Iwi Trust and was the inaugural Chief Executive Officer of Te Arawa Group Holdings (TAGH), the commercial arm of Te Arawa. Roger was previously a business consultant with a range of commercial clients. This included consultancy work for the New Zealand Government in United Nations climate change forums across Europe. Roger has a background in the primary sector having spent five years as a senior manager with AgResearch. His interests include the dairy, sheep and beef industries.
Roger continues to serve as a Chairman and Trustee of Māori land trusts which hold interests in the geothermal and agribusiness sectors.