Josephine M. Y. Wong

Corporate & Securities, Mergers & Acquisitions, Financial Services M&A


Clients turn to Josephine Wong for advice on a wide range of corporate matters, including mergers and acquisitions, joint ventures and private equity transactions. She has extensive experience representing Europe, Asian and US clients in real estate, hospitality, insurance, consumer retail, aviation, shipping and TMT sectors.

Josephine is admitted in Hong Kong. She previously worked as a corporate associate in the Hong Kong office, and she re-joined the Mayer Brown London team in 2024. She is fluent in English, Cantonese and Mandarin.


  • Advised an airline group in the restructuring and pre-IPO capital injection of its cargo airline joint venture in the PRC. We advised the client on both corporate and competition law aspects of this transaction.
  • Advised a leading automobile multinational corporation in merger control filings for its joint venture focusing on the production and sale of electric vehicle batteries with one of the largest Korean chemical company.
  • Advised a Japanese based trading company in merger control filings for its subscription of controlling interest in a joint venture focusing on the development and construction of coking coal projects in the US.
  • Advised Leapfrog Investments, a leading social impact investor focusing on Asia and Africa, in connection with its investment in Series B Preferred Shares of PT PasarPolis Indonesia, one of Indonesia’s first and leading Insurtech companies. This is one of the top 10 insurtech transactions globally in 2020 (Insurtech Report).


  • The University of Hong Kong, PCLL


  • Hong Kong


  • English
  • Cantonese
  • Mandarin