Sharing successful ideas across national borders to help transform developing countries in the southern hemisphere remains a challenge, but it’s “really making a difference”. That’s according to Jorge Chediek, director of the UN Office for South-South Cooperation, and Envoy of the Secretary-General on the issue. He spoke with Laura Quinones of UN News, about the upcoming Global South-South Development Expo taking place back where it all began, at UN Headquarters in New York on Wednesday.