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Marsh Asia names Tonya Williamson as affinity leader for Asia

She has been with Marsh since 1993, most recently serving as client engagement leader - international affinity.
December 19, 2025

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Marsh has appointed Tonya Williamson as affinity leader for Asia, according to a LinkedIn post from the company.

Williamson first joined Marsh in 1993 and has held a range of senior programme management and leadership roles at the broker for more than three decades. Most recently, she served as client engagement leader – international affinity.

Her appointment follows a series of recent leadership moves at Marsh, including the designation of Mark Heneghan as global sales leader for energy and power and the appointment of I-Tung Chan as a risk engineer for renewables in Asia.

The Inaugural Recognising excellence in Asia's insurance industry Find out more Entries close
28 August
Conference banner for The Asian Captive Conference 2026 with event title and date, featuring a geometric logo and a Register Now button.
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