APAC Advisory Committee

Vanessa Williams
Chair, APAC Region Vanessa Williams Partner & Worldwide Board Member

Alliott NZ Limited

Auckland, New Zealand

Tel: +64 9520 9200
Mobile: +64 21 332613

Specialist in providing taxation and accounting advice to overseas owned business operating in NZ
Industry areas of Expertise - Transport, Motor Vehicle , Retail, and Service Industries
Previously with Deloitte in NZ and New York

David Baumgartner
Deputy Chair, APAC Region David Baumgartner Managing Partner


Melbourne, Australia

Tel: +61 3 9851 9000

David Baumgartner is the Senior Partner and founder of Baumgartners. David has emerged as a leader in the business advisory service industry for the small and medium enterprise market, and is well respected by his clients and colleagues. The experience of growing his own small business positions him well to anticipate and support his clients in similar circumstances.

Having developed a solid accounting background at Ernst & Young and Bourne Griffiths Boyd, David identified an opportunity to develop a unique business model based on the traditional concept of successful business relationships, built on trust.

Giles Brake
Chief Operating Officer Giles Brake COO

Alliott Group (Exec Office)


Tel: +44 203 330 0110
Mobile: +447908816492

Giles joined Alliott Group in November 2015 and is the alliance's COO. He has overall responsibility for group strategy and for ensuring the membership continues to thrive through growth and consolidation in key markets, the development and extension of group services and an improved return on investment for member firms.

He has over 15 years' experience working for international alliances in senior management roles and has also provided strategic marketing support to professional services firms.

Giles holds the Chartered Institute of Marketing Diploma in Digital Marketing and a degree in European Studies (French & German) from the University of Bath. Married with two children, a girl and a boy.

Jon Broadley
Member Jon Broadley Partner/Shareholder

Broadley Rees Hogan

Brisbane, Australia

Time Zone: UTC+10

Tel: +61 7 3223 9100

Jon is a Director in our Commercial Dispute Resolution Services Team.

Jon is a founding partner of Broadley Rees Hogan Lawyers, with over 20 years post-admission experience in private practice. He was previously a partner in an international legal firm but now enjoys the flexibility and independence that is offered by a smaller practice.

His practice areas include:
- Banking, Finance and Insolvency.
- Commercial.
- Corporate.
- Commercial Disputes.
- Financial Services.
- Securities.

Scott Jago
Member Scott Jago Partner/Shareholder

Allan Hall Business Advisors Pty Ltd

Sydney, Australia

Time Zone: UTC+10

Tel: +61 29981 2300

After many years running his own business, Scott began accounting studies in 1995. He joined Allan Hall in 1997, and became a partner in 2002.

Scott has a wealth of practical small business experience, as well as expertise in many industries.

Simon S. Yun
Member Simon S. Yun

Dongnam Accounting Corporation

Seoul, South Korea

Time Zone: UTC+9

Tel: +82 2501 0024

Mr Simon S. YUN (or Sungil YUN), the Founder and Managing Partner of DAC, started his professional career in 1983 at Deloitte. Since the start of his career, he has continuously has focus on providing services to foreign companies doing business in Korea.

After graduating from Yonsei University in 1983, he became a Certified Public Accountant in 1983. He is a member of the Korean Institute of CPAs.

Amie Cheung
Member Amie Cheung Principal

Lawrence Cheung CPA Company Ltd

Hong Kong, Hong Kong

Time Zone: UTC+8

Tel: +852 2521 6692

Amie is a principal at Hong Kong accounting firm Lawrence Cheung CPA and serves on the Leadership Team of the alliance's International Tax Services Group.