Stephen Postlewhite

Aspen Insurance Holdings Ltd. engages in the provision of insurance and reinsurance services. It operates through the Reinsurance and Insurance segments. The Reinsurance segment consists of property catastrophe reinsurance, other property reinsurance, casualty reinsurance, and specialty reinsurance. The Insurance segment offers property and casualty insurance, marine, aviation and energy insurance, and financial and professional lines insurance. The company was founded by Christopher O'Kane and Julian M. Cusack on May 23, 2002 and is headquartered in Hamilton, Bermuda.

Aspen Re America, Inc. provides property and casualty reinsurance services. The company is headquartered in Rocky Hill, CT.

Aspen Bermuda Ltd. is engages in the provision of specialty insurance products. Its product offerings lead and excess side liability insurance, excess employment practices liability insurance, excess fiduciary liability insurance, excess financial institutions, and blended excess. The company was founded in 2002 and is headquartered in Hamilton, Bermuda.

Aspen Insurance UK Ltd. Provides insurance services. The firm offers property reinsurance (risk excess, pro rata and facultative), casualty reinsurance (US treaty, international treaty and global facultative) and specialty reinsurance (credit and surety, political risk, agriculture, marine, terrorism, aviation, space and other specialty lines). The company was incorporated on September 16, 1974 and is headquartered in London, the United Kingdom.