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Siobhan O’Brien Joins MSIG USA as Cyber Insurance Leader

Posted on January 27, 2025January 27, 2025 By Martin Hinton

MSIG USA has appointed Siobhan O’Brien as its new head of cyber insurance. She has over 20 years of experience in cyber insurance and professional liability across global markets, O’Brien will spearhead the growth and strategy of MSIG USA’s cyber insurance portfolio.

Peter McKenna, CEO of MSIG USA, emphasized the significance of her appointment. “O’Brien’s expertise will drive our ability to offer innovative solutions for evolving cyber risks,” he stated.

Headshot of Siobhan O'Brien, a professional with blonde hair, wearing a black sweater, light top, and turquoise earrings, smiling warmly.
Siobhan O’Brien (MSIG USA)

O’Brien previously served as managing director and Cyber Center of Excellence leader at Guy Carpenter, where she advanced international cyber strategies. Before that, she held leadership roles at Marsh UK Limited, including UK cyber placement leader, developing tailored insurance programs for global clients.

Hiro Morimoto, Senior Executive Officer at Mitsui Sumitomo Insurance Co., Ltd, praised O’Brien’s expertise in managing complex global risks.

Cyber Risk Specialist

He remarked in a company press release, “Cyber risk is a dynamic and increasingly significant challenge for businesses around the world. O’Brien’s deep expertise in managing complex, global risks will be a critical asset as we continue to enhance our offerings. At MSIG USA, we are committed to providing tailored solutions that address the ever-changing needs of our clients, and O’Brien’s leadership will be instrumental in fulfilling that mission.”

MSIG USA is a subsidiary of MS&AD Insurance Group. O’Brien will lead the company’s efforts to provide comprehensive protection for businesses navigating an increasingly digital economy.

Other News: CyberCube Partners with Acclaim Insurance Brokers to Enhance Cyber Risk Assessment in Singapore

Martin Hinton

Martin Hinton is the Executive Editor and Publisher of Cyber Insurance News and Information. With over three decades of journalism experience across six continents, his work encompasses investigative reporting, documentaries, and coverage of cultural, political, and business news. To learn more about his career, click on his name to visit his LinkedIn page.

Cyber Insurance, Cyber Insurance People Tags:business risk protection, cyber insurance, cyber insurance strategy, Cyber Risk Management, cyber risk specialist, digital economy, evolving cyber risks, global insurance leadership, global markets, Guy Carpenter, Hiro Morimoto, innovative insurance solutions, international cyber strategies, Marsh UK Limited, MS&AD Insurance Group, MSIG USA, Peter McKenna, professional liability, Siobhan O'Brien, tailored insurance solutions

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