NEW YORK, Aug. 6, 2012 /PRNewswire/ -- Touting a new risk appetite for large Primary Casualty accounts, the insurance operations of XL Group plc (NYSE: XL) is also announcing new underwriting talent with the appointment of Barbara Luck as Chief Underwriting Officer in its North America Primary Casualty business. Ms. Luck will assume her new position on August 13. She will report to Ken Riegler, President of XL Group's North America Primary Casualty unit and will be based in New York. Commenting on the appointment, Mr. Riegler said: "With a strong drive to help North America's largest corporations address their primary casualty insurance needs, and a new risk appetite to match, we are excited to have Barbara join our team. Her extensive underwriting management experience will be a valuable asset to maintain our disciplined underwriting and ensure profitable growth." "She will work with our US Risk Management, Multinational Casualty and Middle Market teams to establish underwriting strategies, guidelines and pricing," noted Mr. Riegler. "Under her guidance, our underwriting teams will be well informed and equipped to make knowledgeable underwriting decisions and develop creative solutions to help our clients address their casualty exposures both domestically and internationally." Ms. Luck joins XL from ACE USA where she most recently served as Executive Vice President and Chief Underwriting Officer of its ACE Risk Management division. She also served as Chief Underwriting Officer for ACE's National Accounts and held positions as Branch Underwriting Manager and Vice President of Business Development. Prior to her 11-year tenure with ACE, Ms. Luck held various casualty management, brokerage and underwriting positions at Marsh, Zurich and AIG. She is a graduate of the State University of New York at Binghamton. About XL's Insurance Operations XL Group plc's insurance companies offer property, casualty, professional and specialty insurance products globally. Businesses that are moving the world forward choose XL as their partner. To learn more, visit xlgroup.com/insurance. XL Group is the global brand used by XL Group plc's insurance subsidiaries.