Professional career So was the senior partner of a solicitor's firm, member of the
Hospital Authority, the Council of the
Lingnan University, and the Commission on Strategic Development. Between 2000 and 2003, So served on the
Wong Tai Sin District Council and the
Tsz Wan Shan Area Committee. "It was a tough decision. In doing so, I have also had to give up my legal practice qualification in Canada where I still have friends and relatives," he said. On 28 June 2011, So was appointed to succeed
Rita Lau as Secretary for Commerce and Economic Development after she resigned for health reasons in April 2011. On 6 May 2014, So's office and home received delivery of
faeces after he told Hong Kongers to tolerate incidents where Mainland visitors freely defecate and urinate on the streets of Hong Kong. So's comment came after a Mainlander had become violent to bystanders after they allowed their child to urinate in public in Hong Kong. After the receipt of the faeces delivery, So also announced threats to the people responsible for stating their actions to be "very unwise." == Personal life and death ==