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Marquis Macadamias Africa Board

We have been using our collective ingenuity to develop a world class approach to farm management and processing since 1983, and along the way we’ve become the world’s largest macadamia grower, processor and marketer. Our skilled and experienced Board and executives, along with our highly trained and passionate staff, are always available to provide support and advice for our growers and customers.

Board of Directors – Marquis Macadamias Africa

Peter Zadro REV

Peter Zadro

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Roelof van Rooyen

Ivan REV

Ivan Giuricich


Luke Dunstone

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Francois Vos


About Peter Zadro

Peter’s previous roles include working for multinational telco provider, Alcatel this role took him into various European and Australia offices as a programmer and project manager. Peter has a rich family history of farming in NSW with his introduction into macadamia orchards in the late 1970s. Peter has a degree (Honours) in agriculture and assisted the Department of Agriculture with the wheat and oat breeding programmes in Temora NSW.

About Roelof van Rooyen

Roelof is a shareholder and Director of one of the largest commercial macadamia farming operations in South Africa. He has extensive knowledge within the industry having served on the boards of numerous macadamia processing facilities and macadamia farming operations over the past 11 years. Roelof and his families’ farming operations span across numerous growing regions within Mpumalanga, South Africa.

Roelof’s passion lies especially in the planning, design and implementation of Macadamia processing and marketing facilities. He successfully ran and more recently formed part of the design and implementation team of Global Macadamias, one of the largest processing facilities in the world, in which he is also a shareholder and Board member. Roelof has a Bachelor of Engineering and an MBA.

Ivan Giuricich

Ivan is a qualified Chartered Accountant with previous work for Deloitte, in addition to previously serving as Chief Financial Officer of Marquis Macadamias and Marquis Marketing during his time living abroad in Brisbane, Australia. Ivan works in the family’s farming business where he oversees the Marquis Macadamias Lows Creek factory as well as the financial aspects of the business. 

Luke Dunstone

Luke is a second generation South African farmer and the Co-founder and Managing Director of Pegric Estates (Pty) Ltd and a Director of United Macadamia (Pty) Ltd.

After completing a Bachelor of Technology in Civil Engineering, Luke returned to the family farm and over the last eight years has spearheaded the switch from a successful, local sugar cane operation to a fully fledged macadamia nut enterprise.


Luke has served on different  boards in the macadamia and agricultural industries. His passion remains in the development and expansion of the macadamia nut industry in KwaZulu-Natal, South Africa.

About Francois Vos

Francois’s experience as CEO of AP Vos & Sons has given him the opportunity to successfully head up the macadamia and ginger divisions which exports globally around 1,000 tonnes per season. He is a fourth generation farmer and was the founder and Director of a large transport and logistics company.

Francois has studied Financial Information Systems at Cape Town University of Technology.