Hsieh Ing-dan began study of administrative management in 1967, at what became Central Police University.
10 Facts About Hsieh Ing-dan
Hsieh Ing-dan joined the Nantou County Police Department's Criminal Investigation Corps as a junior detective after graduation.
In 1985, Hsieh Ing-dan was named a precinct director within Taichung.
The next year, Hsieh Ing-dan joined the Criminal Investigation Bureau, a division of the National Police Agency, with the rank of lieutenant.
Hsieh Ing-dan became commissioner of the Yilan County Police Department in 1989, leaving in 1993 to return to the NPA as head of the Administration Section.
Between 1996 and 1997, Hsieh Ing-dan was deputy leader of the Taiwan Provincial Government's police department.
Hsieh Ing-dan led the Kaohsiung City Police Department between 1997 and 2001.
Hsieh Ing-dan was appointed a deputy director of the National Police Agency in February 2001, serving alongside Liu Shih-lin and Hung Sheng-kun.
Hsieh Ing-dan was recruited to join the Democratic Progressive Party in 2002.
Hsieh Ing-dan was named president of Central Police University, serving until 2008, when he was again succeeded by Hou.