 Cheng was also a vetting committee member for the digital media courses of the Vocational Training Council, the largest vocational and professional education and training provider serving 250,000 students a year in Hong Kong.He was honorary vice-president of the Economic & Finance Society of the University of Hong Kong, and honorary advisor of the Society of Business Administration of the Chinese University of Hong Kong.Cheng married the Cantopop diva Paula Tsui in Canada in 1974, but that marriage ended in divorce five years later.