Brian served for twelve years in various human resource positions at two major UK corporations in mining and precious metals. In 1975, he joined Aluminium Bahrain in the Arabian Gulf, and moved to Hong Kong at the start of 1981, to become Director of Personnel Services at the Hong Kong Jockey Club. He handed over his post to a local successor in 1986 and joined HSBC as Head of Personnel where he again handed over to a local person on retirement from the bank. In June 1995, he started the human resources consulting company Renwick McCormick Maule & Tam. He is now Vice-Chairman of Signium International in Greater China.