[3] He continued his education at Northeastern University, where he earned an undergraduate degree in mechanical engineering and a Master of Business Administration.
[6] In July 2004, as the end of Chu's LegCo term neared and the Election Committee constituency was scheduled to be abolished, he spoke out against the slow progress towards democratisation in Hong Kong, calling Beijing's announcement that the 2007 Chief Executive election would not employ universal suffrage "unfortunate".
[7] He considered running as a candidate for the New Territories East geographical constituency in the 2004 LegCo election.
[8][9] Chu stood as a candidate to be returned to the 11th National People's Congress in January 2008, but did not gain enough support; along with Philip Wong, he was one of two former Hong Kong deputies who failed to retain their seats.
[2] After his renunciation, he placed his cancelled United States passport in a time capsule and held a public burial ceremony for it.