Our People


David has a background as a Certified Practicing Accountant with considerable experience in capital raising, business development and property development, with over 30 years experience in business development. David is currently Executive Chairman of the ASX Listed Questus Limited, a Funds Manager and Property Asset Manager and Developer. David is also Chairman of the ASX Listed CI Resources Ltd, a phosphate mining company located on Christmas Island with plantation investments in Malaysia.

David has previously worked for Coopers & Lybrand and was a senior partner with a large Western Australian accounting practice from 1988 to 1995. In 1995, David started a management consulting firm with a focus on equity investments in a range of businesses including firms involved in the construction, manufacturing, retail, mining and property development sectors.

David founded Questus in 2003 and is also Chairman of CI Resources Limited, an ASX listed company (CIR) focused on phosphate mining.

Dr. Nicholas Malajczuk 

Dr. Nicholas Malajczuk is the Managing Director of Treetec Consulting, is forestry educated and has over 25 years research experience as a scientist with CSIRO, Division of Forestry. Dr. Malajczuk’s professional expertise includes Australian and international research on plantation establishment and nutrition in both temperate and tropical/sub-tropical environments.

He has worked with major forestry companies in Australia including Bunning’s Tree farms, (Western Australian Plantation Resources) Associated Pulp & Paper Mills and Australian Newsprint Mills on the inoculation of plantation eucalypts with mycorrhizal fungi and nutrient application to maximize tree growth.

Treetec Consulting Pty Ltd has initiated the growing of truffles in Western Australia and Tasmania, the production of inoculum of mycorrhizal fungi for forest nurseries and promoted the growing of irrigated Paulownia trees on farm lands in Australia. Dr Malajczuk has combined production with ongoing research, encouraging and funding positions within the Universities and acted as consultant to private investment companies in Australia growing eucalypts, teak, brushwood and sandalwood.

Ross Varnavides
Ross of WA AG Solutions, is our man on the ground, who maintains the farm on a daily basis supervising the health of the trees alongside Dr Nick, undertaking soil analysis to ensure the pH levels are consistent and adequate water is flowing to the trees.  WA AG Solutions specialise in farm management and enterprising – aiming for efficiency and yield optimisation, irrigation design and installation, concentrating on truffle and avocado plantations.