This document provides an overview and introduction to a training module on indigenous peoples' issues for UN staff. It discusses the background of UN reforms promoting a coherent vision and strategy for development goals. It emphasizes that indigenous peoples suffer from discrimination and human rights violations, affecting their development models. It outlines the establishment of the UN Permanent Forum on Indigenous Issues and the Inter-Agency Support Group to support the recognition of indigenous rights. The training module aims to increase awareness of policy guidance and effectively engage indigenous peoples in development processes through mainstreaming indigenous issues in UN country work.