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.

Adam Wilson 

With over 20 years experience in developing and commercialising innovative enterprises, Adam has highly developed skills in overall strategy, financial/operational management of multi-site, national and international based operations, investor relations and partnership development.

Adam held various senior executive sales, marketing and product development positions with Sports Groups including the America’s Cup and the Sydney 2000 Olympics and won a national Sales Awards including the prestigious Australian Newspaper’s “Selling Ice to the Eskimos” for selling Olive oil to the Italians and then a couple of years later went on to win the West Australian Agribusiness Export Award award for initialization and selling Australian grown truffles to 14 International markets.

Adam’s creative endeavours include establishing the Grand Prix Circuit for the 18ft Skiff Class in Europe across six countries and a key role in the development of the West Australian Black Truffle industry while creating a range of delicious truffle products for Australian and international distribution.

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.

Dr Malajczuk also has extensive forestry experience in China, the Philippines and Japan. More recently he has been a consultant to forestry projects in the agricultural areas of Western Australia. In 1994 he was appointed an Adjunct Associate Professor at Murdoch University in Western Australia and supervises Honours and PhD students in various aspects of forestry. He was appointed to Fellow and Adjunct Professor in the Institute of Natural Resource Management, The University of Notre Dame, Australia. He has published over 150 research papers in international journals and books. Most recently Dr. Malajczuk was appointed an adjunct professor at Edith Cowan University, Perth, Western Australia.

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.

Fedi (Federico) Paci

Fedi has a Masters Degree in Mycology from the University of Bologna. Having worked in the industry since 2008 and gaining experience with one of the world’s biggest Truffle companies, Federico joined Great Southern Truffles as Operations Manager in 2013, and is a valuable team member for quality control and mycological experience.