Before his academic career, Prof. Ho was an audit staff member at a certified public accountant's firm, a financial system analyst, and an assistant consultant at the Hong Kong Productivity Council. He was the Founding President of the Hong Kong Academic Accounting Association, Vice President of the International Association for Accounting Education and Research (IAAER), Chairperson of the Organizing Committee of the 2002 IAAER World Congress of Accounting Educators, Member of several committees of Hong Kong Institute of Certified Public Accountants (HKICPA), Founding Vice President of the Hong Kong Professionals and Senior Executives Association, Board Member of the Hong Kong Securities and Investment Institute, Editor-in-Chief of the Asian Journal of Business Ethics and the Hong Kong Journal of Business Management, Guest Editor of the Management Accounting Research and Journal of Business Ethics, and Member of the editorial boards of several international academic journals.