Patrick Mc Carthy served as the UN Peace & Development Advisor (PDA) in The Gambia between 2021 and 2024 supporting the UN Country Team to build national capacities for conflict prevention. His work focused on transitional justice, constitutional reform, and security sector reform, as well as on the empowerment of women and young people in political decision making and sustainable development. He was the PDA in Chad between 2018 and 2021 and is currently the PDA in Sri Lanka.