Johnny Choi heads the firm's China Employment practice. He has vast experience in complex and strategic employment advice for multinational clients, such as international human resources projects, large scale layoffs and restructurings, cross-border secondments, employee data privacy, HR investigations, litigious employment disputes, and contentious removal of company executives. Johnny also leads the firm's Greater Bay Area employment initiative.

Johnny is recognised consistently for his employment law expertise by leading legal directory Chambers and Partners since 2013. He is a "Leading Individual" and his China team is ranked Tier 1 by Legal 500. Qualified in NSW, Australia and Hong Kong SAR, he has spent over 17 years in mainland China advising multinationals on their employment law issues. Given his international background, Johnny also regularly advises Chinese clients on the people issues they encounter in their overseas investments and operations, including restrictive covenants, incentives and equity plans.Chambers Asia Pacific (2022) highlight that "Johnny Choi is highly intelligent and provides highly responsive, practical advice".

Johnny supports international and regional clients across a range of industries, including technology, life sciences, financial and retail. Recently, Johnny has advised life science companies on investigations into serious misconduct or corruption by employees. He successfully defended a number of technology companies against IP theft by their staff. He also advises financial institutions and retail companies on the design and implementation of employee compensation and incentive schemes.