MSIG USA Appoints Siobhan O’Brien as Head of Cyber Insurance

MSIG USA, a subsidiary of MSIG Holdings, has appointed Siobhan O’Brien as head of cyber insurance. O’Brien, with over 20 years of experience in cyber insurance and professional liability, will spearhead the expansion of the company’s cyber insurance portfolio.
Peter McKenna, CEO of MSIG USA, stated, “With O’Brien’s leadership, MSIG USA is uniquely positioned to provide comprehensive strategies that protect clients and help them achieve their goals in today’s technology-driven world.”
O’Brien joins MSIG USA from Guy Carpenter, where she served as Managing Director and Cyber Center of Excellence leader. She also held a role as UK cyber placement leader at Marsh UK Limited, developing cyber insurance solutions for clients with diverse global risks.
Hiro Morimoto, Senior Executive Officer, Mitsui Sumitomo Insurance Co., Ltd, Chairman and CEO, MSIG Holdings (U.S.A.) Inc., added, “O’Brien’s deep expertise in managing complex, global risks will be a critical asset as we continue to enhance our offerings.” &