W. R. Berkley Corp. has appointed Timothy Nelligan as president of Continental Western Group, a Berkley Company, effective immediately. He joins CWG with nearly 30 years of experience in the property casualty insurance industry. Nelligan is an accomplished leader of both agencies and underwriting divisions for a major property and casualty insurance carrier, with experience in underwriting, sales, operational planning and execution, and corporate strategy development and implementation. He holds dual Bachelor of Science degrees in finance and management from Northern Illinois University and is a Chartered Property and Casualty Underwriter. He replaces the late Mike Lex, former president, who passed away earlier this year. Nelligan will be based out of CWG’s headquarters in Urbandale. “We are excited to welcome Tim to Berkley,” stated W. Robert Berkley Jr., president and CEO of W. R. Berkley Corp. “He is a dynamic leader with a strong track record of outstanding results.” Continental Western Group offers a broad array of commercial insurance products for businesses in 13 states. Founded in 1967, Greenwich, Ct.-based W. R. Berkley Corp. is an insurance holding company that is among the largest commercial lines writers in the United States.