Jeremy WonilChang


Singapore + 65.6233.5503

Jeremy Chang represents clients in a broad range of international arbitration and cross-border disputes. Jeremy has acted in investment treaty and commercial arbitrations under ICC (International Chamber of Commerce), LCIA (London Court of International Arbitration), LMAA (London Maritime Arbitrators Association), KCAB (Korean Commercial Arbitration Board), and UNCITRAL (United Nations Commission on International Trade Law) rules as well as in ad hoc proceedings.

Prior to joining Jones Day in 2021, Jeremy practiced at a leading Korean law firm, where he advised clients on international disputes arising in a wide variety of sectors and industries, including energy, telecommunications, joint ventures, M&A, shipbuilding, and large-scale infrastructure/construction projects. He has substantial experience managing complex, multijurisdictional disputes in collaboration with local co-counsel in jurisdictions such as the United States, the United Kingdom, Hong Kong, Singapore, British Virgin Islands, Poland, and South Korea.

Jeremy has also advised financial institutions and corporations on matters involving anti-money laundering (AML) laws and regulations and economic sanctions programs administered by the U.S. Department of Treasury's Office of Foreign Assets Control (OFAC).

Jeremy started his career as a corporate associate at the Chicago office of an international law firm, where he advised private equity clients on M&A transactions and general corporate matters.


  • Major pharmaceutical company arbitrates claims arising out of Chinese investmentsJones Day is representing a major pharmaceutical company in a Hong Kong International Arbitration Centre arbitration arising out of representations and warranties given in respect of the client's investment in a Chinese drug development company whose senior officers and consultants were subsequently prosecuted in the United States for misappropriation of another pharmaceutical company's trade secrets.