Management team


Chief Financial Officer

Tony Wiese

Chief Executive Officer, BPS Technology Limited

Trevor Dietz



Chief Executive Officer Australia

Clive van Deventer

General Manager - Region 1

Michelle Adams

General Manager - Region 2 

Justine Oakhill

General Manager - Region 3

Darryl Mohr

National Marketing Manager

Damian Hoyle

Corporate Legal Counsel

James Mullin


bcd 091-834-300  

Clive van Deventer, Chief Executive Officer

Bartercard has welcomed Clive van Deventer, the new CEO of Bartercard Australia as we ramp up our membership drive and target new markets both Australia-wide and internationally.

Clive comes to Bartercard with more than 29 years of business, sales and marketing experience holding positions including Senior Vice President Sales and Marketing for Asia Pacific at Wyndham Worldwide, and General Manager of Accor Vacation Club Asia. 

He holds a Master of Business Administration (MBA) and has experience in working with both small and large teams of up to 450, building brands, growing memberships and working in complex industries across the USA, South East Asia, Australia and New Zealand. 

Clive has a deep understanding of sales, marketing, developing sustainable strategies, and a passion for people and customer delight.  


Tony Wiese  

Tony Wiese, Chief Financial Officer

Tony is a Chartered Accountant with 20 years experience in Financial and Executive Management.

After completing his accountancy articles with Arthur Anderson & Co., Tony commenced his career in South Africa as Financial Manager and a shareholder of the then small transport company, Super Group Pty Ltd. During his time at Super Group, Tony helped grow the company to a one billion dollar turnover business and the second largest transport company in Africa. In his 10 years at Super Group, Tony advanced to Executive Director of the Board of the then publicly listed company and was the Managing Director of the Rental and Logistics Division, which included 12 subsidiary companies.

Tony later founded and listed the Onelogix Group Ltd, a logistics and supply chain company, which included the 226 PostNet franchise network. Tony was the initial CEO of the Group for the first 2 years before emigrating to Australia.

After moving to Australia in 2002, Tony invested in various private companies, including Bartercard. Tony is also a member of the Institute of Chartered Accountants and Global Accounting Alliance (GAA).



Trevor Dietz  

Trevor Dietz, Chief Executive Officer, BPS Technology Limited


Trevor Dietz is the Chief Operating Officer of the Bartercard International Group of Companies and Managing Director of Barter Capital Pty Ltd. In these roles his focus in on the capital structuring of the Bartercard International Group as well as developing emerging international markets, technology systems and new enterprises.

Previously Trevor was the Managing Director of Bartercard Australia Pty Ltd from 2005 until 2009 when he was succeed by his fellow business partner Brian Hall. He joined Bartercard in 1993 as General Manager and has since contributed to the company's success in a broad cross section of senior management roles. He was elected to the Australian Board of Bartercard in 1998 and to the Board of Bartercard International in 2000. He is also a Non-Executive Director of the Institute of Business Leaders and Deputy Chair of the Advisory Board to the Faculty of Business at Bond University.

Trevor has over 30 years’ experience in retail, corporate and international banking, finance and human resource management. Before joining Bartercard, Trevor was Chief Executive Officer of the Institute of Public Accountants and held senior corporate office positions in North Broken Hill Peko and National Australia Bank. He is a Fellow of the Australian Institute of Company Directors, a Fellow of the Institute of Public Accountants, a Fellow of the Financial Services Institute of Australia, and a Chartered Member of the Australian Human Resources Institute.