Marianna Tsang is CEO of TWC Management Limited and director of Chan & Wat CPA. She is a member of the Institute of Chartered Secretaries and Administration UK, HK Institute of Company Secretaries, The Taxation Institute of HK and a Certified Tax Advisor. She is also a member of The Association of Professionals in Business Management USA and a member of the Society of Registered Financial Planners. She is a Certified Mediator (Finance) and a member of Chartered Institute of Arbitrators. She holds a MBA degree, and is a postgraduate certificate respectively in Advanced Taxation and accounting. She is a member of the Board of Review (inland Revenue Ordinance) and an independent non0-executive director and Audit Committee Chairman of a listed company.