Gwyn has been working in the policy field for over 20 years with Fonterra, Auckland Regional Council, DairyNZ and Federated Farmers. His experience through all of these roles has been working in the sustainable farming area. This has included policy development and implementation as well as extension tools that enable farmers to adapt to policy change in a way that is economically viable. TDR’s are one of these tools available and they can be useful but that is dependent on many variables.