 Chancellor joined Reuters in 1930 and remained with the agency for 29 years.Based in Shanghai from 1931 to 1939 with his young family, he kept the agency's China service operating after the Japanese invasion in 1932.He returned to London during World War II, and worked with William Moloney and William Haley in reorganising Reuters' news and business operations, succeeding Sir Roderic Jones as the general manager of Reuters in 1944.