Allied World Assurance Company Holdings yesterday announced it has expanded its US casualty operations with the launch of a new Construction Casualty division.New lines of business being offered are: commercial general liability and commercial automobile as well as railroad protectives and owners and contractors protective.The company said Michael Conroy has been appointed vice president, Construction to oversee the build-out of the new division.He will be based in Allied World's New York office and will report directly to Lou Iglesias, President, US Property and Casualty.Mr. Iglesias commented, "We are excited to expand our current product offerings in the US with the launch of our new Construction Casualty division. This division will become a key element in our overall strategy of serving the broad needs of the construction industry. Mike's substantive construction industry knowledge and execution skills will be a tremendous asset to Allied World."Mr. Conroy has over 17 years of experience in the insurance industry. Prior to joining Allied World, he was Vice President in the home office of Construction Risk Management at the American International Group (AIG). In this role, he was responsible for service and underwriting for all regional offices, as well as budgeting, forecasting and business development for the line of business.