May has sat as sole arbitrator, co-arbitrator and presiding arbitrator in HKIAC, SIAC, ICC, UNCITRAL and CIETAC proceedings. She has experience sitting as an emergency arbitrator in ICC and HKIAC proceedings. Prior to becoming an independent arbitrator, May practised as counsel and advocate for 20 years in ICSID, ICC, HKIAC, SIAC, CIETAC, LCIA, SCC and UNCITRAL proceedings. She is also Vice President of the ICC Court of Arbitration, on the ICSID Panel of Conciliators and a CEDR accredited mediator.
May was a Partner of leading international law firm Herbert Smith Freehills from 2010 to 2023. On 1st July 2024, May was appointed as a Vice President of the ICC Court of Arbitration. May is a Co-Chair of Equal Representation in Arbitration (ERA) Pledge APAC Steering Community. She was a member of the 2024 ICCA Congress Programme Committee and a Council Member of the ICC Institute. May has previously held many other roles including as member of the LCIA Court, member of the SIAC Users Counsel, International Advisor to the Thailand Arbitration Centre, member of the Delos Board of Advisor and an ICC YAAF China Representative.
Outside of dispute resolution, May also sits as an Independent Non-Executive Director of ANZ Bank, China.