Lockton has announced new leadership appointments within its US casualty business, with Peter Rapciewicz named US casualty leader, while Jessica Cullen has been appointed head of excess casualty and operations. Rapciewicz boasts over 20 years of experience within the insurance industry, more than a decade of which was garnered at Lockton, where he most recently served as alternative risk solutions practice leader, in addition to being a key figure in establishing Lockton’s global parametric practice. Cullen, meanwhile, joined Lockton in 2024 as head of the US casualty practice, London, leading a team of specialists to deliver global casualty insurance solutions across multiple industries, bringing 20 industry experience to her new role, and most recently serving as managing director of the casualty practice at Gallagher. Rapciewicz will oversee the strategic direction and growth of the company’s casualty offerings across the US and will report to Lockton’s US risk solutions leader, Devin Bereshim. Reporting to Rapciewicz, Cullen will aid in strengthening Lockton’s casualty capabilities and supporting the growth of its excess liability platform. Beresheim says: “Pete and Jessica are proven leaders with a strong reputation of innovation and solving complex problems for our clients.” He adds that he is “confident” their technical expertise and client service commitment will mean “our clients will get the right solutions to help their businesses thrive”. Commenting on his appointment, Rapciewicz said he is “excited to take on the role of US casualty leader,” adding he is “grateful for the opportunity to keep working with the incredible colleagues and clients we have at Lockton”. Meanwhile, Cullen says she is “thrilled about this opportunity and look forward to working with Pete, Devin, and our outstanding team of casualty experts across the globe as we enhance our casualty offerings across the US”. Both Rapciewicz and Cullen are based in New York City.
