Connor was born in 1949/50. His Father, william E. Connor, started the eponymous william E. Connor & Associates in Japan in 1949 after the Second World War. Connor started working for his father's company aged 12 and took charge of the company in the early 1980s after buying out other family members. Connor moved the company's headquarters to Hong Kong in 1985.
Connor is the chairman of Omega Compliance and the william E. Connor Foundation. In 2013 Forbes estimated his net worth at US$1.03 billion, he had previously been ranked as high as 359 on the Forbes 400 in 2011.