Nate Zangerle Named President of Global Surety at Liberty Mutual Insurance’s Global Risk Solutions

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By: | October 31, 2025
Nate Zangerle

Liberty Mutual Insurance named Nate Zangerle president of Global Surety, effective Jan. 1, 2026. Zangerle will report to Neeti Bhalla Johnson, president of Global Risk Solutions (GRS), and will lead strategy and growth for the Global Surety business.

“I’m honored to lead Global Surety and energized by the opportunities ahead,” Zangerle said. “We have a strong foundation — built on deep expertise, trusted relationships and a commitment to innovation — and I look forward to building on that momentum.”

Zangerle, who has been with Liberty Mutual since 1998, currently serves as GRS Chief Underwriting Officer for Global Surety and Credit Global Product Leader. In his leadership as CUO, Liberty Mutual Surety expanded from a U.S.-only business to a global product line with operations in 20 countries.

Zangerle’s appointment follows the retirement of current Global Surety President Tim Mikolajewski on Dec. 31, 2025. Mikolajewski will remain with Liberty Mutual in a strategic role to support Zangerle’s transition. &

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