Ahn Duk-su, tapped to lead South Korea's National Tax Service (NTS) on Friday, is widely regarded as a veteran tax investigator with extensive experience in tax administration and protecting taxpayers' rights. Ahn, 55, began his career in public service after passing the national civil service examination in 1996 and has since built a decadeslong career in tax administration, according to the presidential office. He has headed the NTS' Seoul Regional Office since July. Until June 2021, he oversa