Lee received his bachelor's degree in electrical engineering from the University of Hong Kong.

Lee steered the government's response to protests at the World Trade Organization Ministerial Conference of 2005 and to the 2010 Manila hostage crisis.

[1][2][5] After retirement, Lee served as a local deputy to the National People’s Congress between 2013 and 2018,[6] and often made headlines for his controversial remarks on current affairs.

[2] In 2016, he described young people involved in the 2016 Mong Kok civil unrest as "beasts" who had lost their conscience.

Glen had previously told the media that the development of his acting career was limited by his father's post in the government, saying that he was always assigned to play "positive" roles.