Leadership Team

Our Team Reflects a Commitment to Innovation and People

Our leadership team provides investment, specialist support and strategic direction for the businesses owned by the DNW Group.

Explore the biographies of our team to learn about their experience and contributions to the DNW Group.

Dean Willemsen

Managing Director and Director

Dean is the founder and Managing Director of the DNW Group.

A true entrepreneur, Dean sought out odd jobs in his community to buy his first motorbike when he was 10, established a thriving garden nursery business at 15, and bought his first house at 21.

He intentionally cut short university (Bachelor of Horticulture) and elected instead to train as a carpenter, going on to co-found Prime Build (part of the DNW Group) in 2008 when he was just 23. Specialising in retail refurbishment and construction, Prime Build was ranked 4th in BRW’s 2014 Fast 100 List of the fastest growing companies in Australia. It continues to experience exceptional growth as a key partner to Kmart Australia, Myer and Aldi Supermarkets.

Dean was invited to join the CEO Institute when he was 28 and was nominated for the EY Entrepreneur of the Year Award at 29 years old. He is a Director of the Penrith Emus Rugby Union and a qualified yoga instructor.

Peter Cleaves

Chief Executive Officer

Peter brings extensive domestic and international experience in senior finance and general management positions exhibiting leadership in strategic direction, operations and value maximisation. His career spans a range of industries and disciplines, including sales, manufacturing, primary production, development, software development, financial services and project management environments.

Since his position as Finance Director at Rosemount Estates Pty Limited and then CFO at Southcorp Limited, Peter has held a number of senior roles including CFO, COO, Management Consultant, Director and Chairman of existing & start-ups and General Business Advisory.

Past memberships include Member of Australian Society of Accountants, Fellow of Chartered Institute of Secretaries & Administrators, Senior Associate FINSIA and holds a Diploma in Corporate Management AGSM – Uni NSW.

Lachlan Cameron

Chief Investment Officer

Lachlan is responsible for operational planning and technology across the DNW Group.

Lachlan has a proven track record in helping businesses achieve growth potential. He is a former Chief Operating Officer for McConnell Bourn, one of the fastest growing companies in Australia; and held a number of roles (including Commercial & Procurement Manager and Infrastructure & Projects Manager) for Interactive Pty Ltd, a leading Australian IT services company. He has also worked as a Business & Financial Analyst with the Novartis Group and Anglicare.

Lachlan holds a Bachelor of Business and a Bachelor of Medical Science from the University of Technology and is a member of the Australian Institute of Company Directors.

Advisory Board
Steve Ironside - Advisory Board Member

Steve Ironside


Steve fulfils the role of Chair to the DNW Group Advisory Board.

He was the Founder and is now Executive Chairman of Jobpac, a computer management systems company which was the leading project cost, forecasting and contract administration system used by the construction industry with a turnover in excess of $3 billion when it was sold to a US based corporation in 2015. He is also the Managing Director of BCM Systems, a company specialising in software technology. Earlier in his career, Steve worked in several executive roles with the IBM Corporation.

Today Steve remains active in various business circles including as a Director of several start-up mobile development applications.

Tanya Cox


Tanya has more than 15 years’ experience as a chair and non-executive director of both commercial and not-for-profit boards. Currently director of a number of ASX listed and unlisted companies. A financial services professional for more than 25 years, including most recently 11 years as COO of DEXUS Property Group.

Tanya is a fellow of the Australian Institute of Company Directors, the Governance Institute of Australia and the Institute of Chartered Secretaries & Administrators, a member of the St James Ethics Centre and holder of a MBA from the Australian Graduate School of Management, a Diploma in Applied Corporate Governance and a finalist in the 2005 NSW Telstra Business Woman of the year awards.

James Mah-Chut


James is Director of Touchstone Partners, an independent property consultancy specalising in capital transactions and the development and project management of large and complex projects, in the key asset classes of office, industrial, residential and mixed-use.

James has over 27 years in the property industry, having progressed from Architecture to project and development management, finance and more recently property acquisition and divestment. He has held a number of senior executive roles in public and private companies, including Stockland – General Manager, Babcock & Brown – Head of Non-Residential, Toga Group – General Manager and DEXUS Property Group – Regional General Manager Business Development.

James holds a Bachelor of Architecture (Hons) and is a member of a number of industry committees including UDIA – Planning Committee and ULI.