Peter's iwi affiliation is to Ngāti Hauiti ki Rangitikei (though he has whakapapa links to Ngapuhi, Ngāti Kahungunu, and Ngāti Toa).
Peter's work over the past 10 yrs has focussed on agricultural economics, particular regarding the dairy industry. More recently, Peter completed an independent economic analysis of the Ruataniwha Water Storage Scheme (proposed for the Central Hawkes' Bay) and other potential water storage projects in the Wairarapa. He was also did an analysis the Waimea Community Irrigation Scheme. Peter is a Principal Advisor at the Earthquake Commission (EQC). He also worked in the Dept. of Labour, the Dept. of Building and Housing, MAF Policy (2007-2010 – dairy industry issues & Fonterra capital structure), Treasury (1997-2000, 2002-2007 – health policy, natural resources). Peter is a commissioned officer in the NZ Territorial Army & completed an operational tour of Bosnia-Herzegovina in 2002, where he was posted to a NATO divisional headquarters. Peter is Chair of Whakauae Research Services (NZ's only iwi owned and mandated public health research provider) and Deputy Chair of the Pacific People's Wellbeing Trust.