Rob is the Chairman of Silver Fern Farms Limited, Farmlands Co-operative Society Limited, New Zealand Woolscours Limited (Woolworks), Agrizero Limited, Fern Energy Limited, Hilton Haulage Limited, Rewiring Aotearoa and Pioneer Energy Limited, as well as a Director of T&G Global Limited, Silver Fern Farms Co-operative Limited and Woolcorp Limited. Rob is immediate past Chair of Silver Fern Farms Co-operative Limited, a past Councillor of Lincoln University and previous Chair of the Strong Wool Action Group (now Wool Impact). He is a Chartered Fellow of the Institute of Directors and a graduate of Lincoln University, holding an M.Com (Hons) (Marketing) and a B.Com (Ag) (Economics).

Rob farms 10,000 sheep and beef stock units on a carbon-negative breeding/finishing and forestry farm of 1.020ha in Manuka Gorge, South Otago. Rob won the Deloitte Top 200 Chair of the Year award in 2023, and the Co-operative Business New Zealand Outstanding Contribution Award in 2019.