Markel Corporation, a diverse financial holding company, markets and underwrites specialty insurance products in the United States, the United Kingdom, Canada, and internationally. The company's Reinsurance segment offers general liability, professional liability, workers' compensation, medical malpractice, and environmental impairment liability; property treaty products for catastrophe, per risk, and retrocessional exposures; and specialty treaty reinsurance products comprising structured and whole turnover credit, political risk, mortgage and contract, and commercial surety reinsurance programs. This segment also provides healthcare, consulting, and others types of services to businesses and consumers, including management and technology consulting, behavioral healthcare, and retail intelligence. The company's Other segment operates as an insurance and investment fund manager offering a range of investment products, including insurance-linked securities, catastrophe bonds, insurance swaps, and weather derivatives; and program services. Markel Corporation was founded in 1930 and is headquartered in Glen Allen, Virginia.