Sian Halcrow-Wilson


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Sian Halcrow-Wilson is the European Practice Leader for Aon’s Equity Solutions team, based in London with ten years of experience in the equity compensation industry. Her global equity experience ranges from small private entities to large multinational corporations headquartered across six continents. Sian regularly advises on plan design elements and operational considerations of equity incentives, including the valuation (both pre- and post-grant) of share plans predominantly under IFRS 2 and the measurement and analysis of financial and non-financial metrics with deep expertise in total shareholder return (TSR). She also leads the European expansion of Aon’s cutting-edge performance tracking system, PeerTracker, and manages the team’s industry relationships across Europe.

Sian has a degree in Mathematics, Operation Research and Statistics from Cardiff University. She is highly involved in several industry events and is also a frequent speaker internationally on a wide range of global equity compensation topics from design considerations all the way through delivery, communications and plan effectiveness.