Nutrition and Technical Support Team

Providing sound technical advice is becoming more relevant as sustainable and efficient livestock production increases in importance. Our talented team of nutritionists provide tailored formulations for pigs, beef, sheep, dairy, layer and meat poultry that suit a wide range of farming systems and operations.

As an Alltech® company, we can provide added benefits to our customers by giving access to innovative products and programs developed through cutting edge, peer reviewed research and trial work within the industry.

Contact us to be put in touch with one of our nutritionists or call (08) 8524 8150.

Rohan Wundke, Technical Manager

Rohan has more than 24 years experience in livestock nutrition and advisory roles, 16 of those in a senior management role. His experience includes developing tailored formulations and on-farm advice for pig, poultry, sheep and beef farmers with an emphasis on pig nutrition and management.

As a founding member of the “Lean Team” piggery improvement program run by Agribusinss Products, Rohan was actively involved in piggery performance, client benchmarking and financial reviews. This experience was invaluable and broadened his expertise in animal management and nutrition.

He grew up on a mixed farm operation with dryland cropping, sheep, and grow out pigs near Brinkworth, in the mid north of South Australia, and is still involved in farming on the family farm. He has four children and enjoys going camping with his family when he has a break.
Rohan holds a degree in Applied Science (Agriculture) and leads a team of seven talented nutritionists who together provide a wide range of expertise and support to our customers. He also leads the quality and regulatory teams for the Oceania region.

Rohan recently joined the Pork SA board with the endeavour to support and add value to the Pork industry.

Tina Grech, Senior Nutritionist

Tina holds a degree in Applied Science (Agriculture) from the University of Adelaide. During her studies, she worked at various poultry farms and piggeries and upon graduation worked at the University as a technical officer for three years. This involved training students, pig and poultry research and managing the commercial poultry facility.

Tina commenced with us as a graduate nutritionist in 1999 and during her time at Alltech Lienert has developed strong relationships with her customers providing expert advice to a wide range of livestock operations. Her specialty is in pig and poultry nutrition and management.

Along with her husband Phil, she runs a wool and prime lamb production business from their property in the Adelaide Hills. They are also involved in a research project which investigates the use of native grasses for low starch horse hay production, supported by the Torrens Landcare Group.

In her spare time, Tina enjoys competitive horse riding and working around their property

Cassie Dickson, Nutritionist

Cassie commenced with us in 2012 after completing a bachelor degree in Animal Science from the University of Adelaide.  During her time at Alltech Lienert, Cassie completed her honours degree which looked at reducing aggression in group housed sows through the use of nutrition techniques.

Whilst studying, she worked at various piggeries and prior to this worked as animal technologist at Flinders University for five years.

Cassie is experienced with providing animal nutritional and performance advice to the pig and poultry industry, Australia wide.

When she is not working Cassie enjoys riding her horse and she has a passion for travel.

Sophie Thomson, Nutritionist

Sophie commenced as a graduate nutritionist with Alltech Lienert in January 2015 after completing her degree in Agricultural Science at the University of Adelaide. Her experience includes providing nutrition advice for cattle, sheep and pig farmers across Australia.

Sophie’s ancestors started farming at Lameroo in South Australia, with a broad acre/mixed enterprise farm and she now lives on 20 acres in the Adelaide Hills where her family grows pasture hay for horses.

In her spare time, Sophie enjoys competitive horse riding, equestrian vaulting, camping and travelling.

Reza Tahmasbi, Nutritionist

Reza holds a PhD in ruminant nutrition from the University of New England. He is an experienced animal nutritionist with 12 years working in the feed and feed additives industry.

He considers animals’ nutritional needs and formulates cost effective, balanced feed rations to maximise the growth, reproduction and health of ruminants.

Gabby Brooke, Nutritionist

Gabby holds a Bachelor degree in Agricultural Science, Honours in Animal Science and a Masters degree in pig nutrition. Gabby’s experience includes managing the Pig and Poultry Production Laboratory at SARDI, Roseworthy, Senior Technical Services and Sales Manager with Boehringer-Ingelheim Animal Health, Business Development for Vaucluse and Animal Production Services and then Technical Services Manager for APIAM Animal Health Swine Services. Gabby has 20 years experience in the Australian Pig Industry and joined Alltech Lienert as a livestock nutritionist in 2020.

Gabby is a mum to 2 children and owns and manages her Kalahari Red goat stud in the Barossa Valley and enjoys the outdoors and renovating.

Matt Grycewicz, Graduate Nutritionist

Matt holds a Bachelor degree in Animal Science with the University of Adelaide. Matt took up an interest in livestock health and nutrition and was involved in many additional activities while studying; including the Alltech Lienert careers day, National Merino Challenge, Intercollegiate Meat Judging Championships (ICMJ), International Livestock Study Exchange to Indonesia and Cambodia and also took up a volunteer role assisting with livestock based Honours and PhD projects.

Matt first joined Alltech Lienert in 2018 as part of our warehouse and operations team before moving across into our technical department in 2022.

Matt resides in the Barossa Valley with his wife and new baby boy and enjoys spending time together as a family.

Veronica Thomson, Quality Coordinator

Veronica has a Diploma of Applied Chemistry from UniSA and has worked in laboratories and quality in a variety of industries, including cement, petrochemical, industrial cleaning chemicals and wine, before venturing into the feed industry in 2020.