Jackaroo's success resides in its dedicated and empowered people

Mark Johnson

Mark Johnson

Executive Director

Mark is a Business graduate from Queensland's University of Technology.

With a background in corporate banking he entered the paper industry in '85 by establishing a recycling business, which was sold to a public company in 1995.

The paper side of the operation was founded by Mark at Jackaroo in the early 1990's and has remained his focus.

He's been active within various Industry associations, including APIA having been a Director until early in 2009.

Outside of the business Mark and his wife have two daughters who he hopes one day will share his passion for sailing.

Read More



Darren McMullen

Darren McMullen

Non Executive Director

He has a Bachelors degree in Business Management from Queensland University of Technology and has over 20 years experience in banking, finance, funds management and property development.

Darren held senior positions within both Barclays and St George Banks.

To Jackaroo, he brings a strong focus on financial management along with valuable business experience and acumen to independently assist management.

Read More



Jonathan Deleu

Jonathan Deleu

General Manager

Jonathan holds a master degree in Commerce from HEC Business School in Belgium and has completed the Program for Leadership Development at Harvard Business School.

He started his career at PricewaterhouseCoopers where he worked for the Luxembourg and Sydney offices before joining the internal audit department at the Commonwealth Bank of Australia. Jonathan joined Jackaroo in 2006 where he held the positions of Operations Manager and Chief Financial Officer prior to his role as General Manager.

Read More



Marleen Avemann

Manesh Singh

National Business Development Manager, South Africa

Manesh has 20 years experience working widely within the Paper Industry. His roles have covered - supply chain, merchanting & manufacturing, with a more recent focus on all areas of sales and marketing.

His ongoing industry engagement sees him well placed to continue to develop on sales based relationships and deliver tailored supply chain solutions to customers.

Read More



Marleen Avemann

Marleen Avemann

Financial Controller

Marleen joined Jackaroo early 2010 in the role as Financial Controller.

Marleen is CPA qualified and has previously worked in a senior accounting role at PKF Chartered Accountants & Business Advisers as well as for a publicly listed Property Fund. As Financial Controller, she has full responsibility for the overall management of accounts and all financial reporting / compliance functions of the company.

Read More