Robert Clements began his career at Royal Insurance Co., in 1957. He later joined Marsh and McLennan Companies - one of the world's largest and best-known brokers-in its Toronto office in 1959, where he worked for 16 years. He moved to the brokers' New York Headquarters in 1975 where he served in a number of senior positions. He was elected Vice Chairman and President of the publicly-held holding company in 1992. He is currently chairman of Arch Capital Group of which he is also the founder. He is a director of Riskclick Limited, as well as a former director of ACE, Mid-Ocean Re, Hiscox PLC, X.L. Capital Ltd., Annuity and Life Re Ltd. and Stockton Holding Limited. He is chairman emeritus of The College of Insurance, Chairman of the Board of Overseers of the School of Risk Management and Actuarial Science at St. John's University, a member of the Rand Corporation's President's Council, and an overseer emeritus of its Services Policy Advisory Committee and of the Advisory Commission on Product Liability. He was the recipient of the Free Enterprise Award in 1987.