Hanh leads engagement with major ocean industries for the Ocean Action Agenda at the World Economic Forum. She works with business leaders across sectors such as offshore energy, shipping, ports, and tourism to accelerate the transition to a nature-positive economy. She also mobilizes public-private partnerships to strengthen ocean stewardship. Previously, Hanh held positions at the World Trade Organization (WTO) and the Food and Agriculture Organization of the United Nations (FAO). In these roles, she managed diverse projects aimed at unlocking the benefits of trade and enhancing agricultural and fisheries value chains. She was frequently deployed to the field, supporting smallholders, fishers, and small- and medium-sized enterprises in developing countries to access international markets.