William is the sole director of Yong Holdings Pty Ltd (practising as Hertzberg Yong & Co).

 

BACKGROUND

1967-1972: Commenced employment in a mid-tier firm 
1972-1974: Senior Auditor, Price Waterhouse, Sydney

1975: Formed Hertzberg Yong & Co with Bernard Hertzberg

EDUCATION / QUALIFICATIONS / MEMBERSHIPS
1973: Bachelor of Business, Charles Sturt University

1973: Associate of Australian Society of Accountants

1973: Registered with the Company Auditors Board

1975: Associate of Institute of Chartered Accountants in Australia

1975: Appointed Justice of the Peace

1985: Fellow of Institute of Chartered Accountants in Australia

1985: Fellow of Australian Society of Accountants

1987: Member of Society of Certified Practising Accountants

2000: 25 Years Institute of Chartered Accountants in Australia

2008: External Examiner of Solicitors Trust Accounts

2015: 40 Years Institute of Chartered Accountants in Australia