Houston-based HCC Insurance Holdings, Inc. appointed Mark W. Callahan executive vice president and HCC’s chief actuarial officer effective Aug. 9, 2010.
Callahan was previously the chief risk, underwriting, and actuarial services officer for XL Insurance. During 12 years there he also held the positions of senior vice president and underwriter for XL Financial Solutions and executive vice president and chief actuarial officer for XL Insurance. Callahan also previously worked for Milliman, managing offices in Dallas and Bermuda.
Source: HCC Insurance Holdings
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