International Union of Marine Insurance Elected Sean Dalton
The trade association has named a new president and vice-president following its annual conference in Rotterdam.
Updated on Sept. 23, 2026 in People
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The International Union of Marine Insurance has elected Sean Dalton as its 27th president. He will serve a four-year term, taking over from predecessor Frédéric Denèfle.
Why it matters
The election of new leadership at the 152-year-old association signals a transition in governance for the global marine insurance industry. The leadership change comes as the organization continues to manage international standards and underwriting practices.
The International Union of Marine Insurance is a 152-year-old association that has appointed its 27th president. Sean Dalton is set to serve a four-year term in the role.
The players
Sean Dalton
He is the newly elected president of the International Union of Marine Insurance and currently leads marine underwriting for North America at Munich Reinsurance America.
Frédéric Denèfle
He served as the president of the International Union of Marine Insurance starting in 2022.
Tom Shinya
He is a senior expert in the marine underwriting department at Tokio Marine and Nichido Fire Insurance and has been appointed as vice-president.
The details
Sean Dalton, who currently serves as executive vice president and head of marine underwriting for North America at Munich Reinsurance America, was elected to the presidency during the organization's annual conference. Additionally, Tom Shinya of Tokio Marine and Nichido Fire Insurance was named vice-president of the association.
Timeline
Frédéric Denèfle began his term as president in 2022.
Sean Dalton was elected president at the annual conference on September 23, 2026.
Market Landscape
The election of new leadership at the International Union of Marine Insurance follows a long-standing tradition of governance within the organization. This transition maintains the institutional continuity of the 152-year-old body as it navigates the modern global marine market.
The leadership change at the International Union of Marine Insurance represents a shift in institutional representation for industry professionals. Clients and members may see updates to organizational policies or standards as the new leadership team settles into their terms.
The takeaway
The transition to a new president marks a significant point in the leadership rotation of the global maritime insurance sector. Stakeholders should anticipate updates to the union's regulatory agenda as the new four-year term commences.
Further reading
For more on industry leadership changes, visit the /business/people/ section.
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