Davis Polk & Wardwell’s top Hong Kong initial public offering partner, Bonnie Chan, is leaving the firm to rejoin the Hong Kong Stock Exchange.

Chan will join Hong Kong Exchanges and Clearing Ltd. on January 2 as head of the listing department, overseeing its listing function, including strategic planning, policy development, market consultations and relationship with regulators and other stakeholders. She will report directly to the Hong Kong Stock Exchange’s chief executive, Charles Li, and be part of its 17-member management committee.