Dsiec new chairman
You're referring to the new Chairman of the Dispute Settlement Body (DSB) of the World Trade Organization (WTO).
As of March 2021, the new Chairman of the DSB is Ambassador Santiago Wills of Colombia. He took over the role from Ambassador David Walker of New Zealand, who had been serving as the Chairman since 2018.
As the Chairman of the DSB, Ambassador Wills is responsible for overseeing the WTO's dispute settlement mechanism, which is designed to resolve trade disputes between WTO member countries. He will play a crucial role in ensuring that the WTO's dispute settlement system remains effective and efficient in promoting fair and transparent trade practices among its member countries.
Ambassador Wills has a strong background in international trade and dispute settlement, having served as Colombia's Ambassador to the WTO and as a member of the WTO's Appellate Body. He is well-respected for his expertise and diplomatic skills, and is expected to bring a high level of professionalism and leadership to his new role as Chairman of the DSB.