U.S. President-elect Donald Trump's transition team is preparing to announce the appointment of Jamieson Greer as U.S. Trade Representative, Bloomberg reported, citing people with the knowledge of the matter.Greer is a longtime protege of Robert Lighthizer, who served as U.S. Trade Representative for four years in the first Trump administration, where he was responsible for imposing billions of US dollars in tariffs on allies and countries like China.Related NewsJensen Huang: Nvidia Staff in Mainland Has Lowest Turnover Rate in WorldGreer, who was Lighthizer's chief of staff at the time, played a key role in Trump's first-term trade policy decisions, including his involvement in the imposition of high tariffs on China.At a May hearing of the U.S.-China Economic and Security Review Commission, Greer said that trade policy toward China is a generational challenge for the U.S.. In some cases, pursuing strategic decoupling from China will wreak short-term pain, but the price of total inaction or underestimation of the Chinese threat is far greater.