Subtropical Dairy - Your levy at workOur People





Subtropical Dairy Board

The nine person Subtropical Dairy Board currently comprises of five farmers (one of whom must be chair) and four persons with complementary business skills. The board appointments are for a three year term. The AGM is conducted in October/ November of each year.


The 2016/2017 Board:

Paul Roderick, Farmer Director – Chairman
Harrisville QLD


Luke Stock, Farmer Director – Vice-Chairman
Gatton QLD

Luke Stock

30 year old Luke has managed the family farm in the Lockyer Valley for the past 12 years. The business milks a full jersey herd using a PMR system. Appointed to the Board in 2013, Luke is humbled by the opportunity to assist farmers through his involvement with Subtropical Dairy.  He believes that farmers are united by their ability to produce and provide a quality product and is passionate about the sustainability of the subtropical dairy industry. Member of the small project committee.


Ross McInnes, Farmer Director
Boonah Qld

Ross McInnes


Paul Weir, Farmer Director
Lismore NSW

Paul Wier

Member of the Audit Committee


Rachael Parkes, Farmer Director

Katrina Sinclair – Independent Director
Casino NSW

Katrina Sinclair

Member of the NRM Committee


Ian Hollindale – Independent Director
Gold Coast  QLD

Ian Hollindale

Chair – Finance & Audit Committee


Jo Davey, Independent Director
Sydney NSW



Bill Tranter, Independent Director
Malanda QLD


Regional Groups

The size and spread of the Subtropical Dairy area has led to the establishment of the Regional Groups. Each group can focus on issues specific to their own region and farming systems.

There are active groups in the Darling Downs/Burnett, South East Queensland, Central Queensland, Far North Queensland, Far North Coast of NSW and the Mid North Coast of NSW.

Team Contacts​

 Region Name  Position  Contact
 Far North Qld Bill Tranter  Chair
Jo Srhoj  Secretary 0458 065 695
 Central Qld Charlie Ernst  Contact
Stan Birch
 South East Qld Luke Stock  Chair
Belinda Haddow  Secretary 0423 003 638
 Darling Downs Kylie Wiecks  Chair
Belinda Haddow  Secretary 0423 003 638
 Far North Coast NSW Terry Toohey  Chair
Maureen McDonald  Secretary
 Mid North Coast NSW Ernie Bake  Chair
Traci Gordan  Secretary

Read more about Subtropical Dairy’s Small Grants Program here

Management and Operations Team

Brad Granzin

Brad Granzin

Executive Officer

PO Box 4126, Goonellabah NSW 2480

Mob: 0431 197 479 Fax: 02 6678 0474

Specialising in subtropical environments, Brad’s has established his scientific career in applied dairy herd nutrition, and the development and extension of whole dairy farm systems. He has broadened his expertise in dairy supply management both pre and post farm gate and is experienced in senior business, organisation and project management. Appointed to his role in 2014, Brad is enthusiastic about the northern dairy industry and driving Subtropical Dairy to become a quality provider of services and information to the industry.


Vivienne McCollum

Viv McCollum web

Subtropical  Dairy, Regional Extension Co-ordinator SEQ

Young Dairy Network Program Manager, Young Dairy Network SC Qld

Mob: 0428 460 380

Since graduating from the University of New England with a degree in Rural Science, Viv has worked in both the Cotton and Dairy industry.  With a background in sales/marketing, business management, precision agriculture and natural resource management she commenced her role as program manager of the Young Dairy Network in 2009.  During this time Viv has worked with young dairy farmers, the coordinating team and stakeholders of the YDN to grow and continue the development of the network.  Viv and her husband Doug have 2 children and live at Hampton North of Toowoomba.


Belinda Haddow

Belinda Haddow

Subtropical  Dairy, Regional Extension Co-ordinator SEQ

Young Dairy Network SE Qld

Mob: 0423 003 638

Belinda has been working in the dairy industry in Queensland since 1995, following her studies in Agricultural Science at the University of Queensland.  She worked for 10 years in a farm liaison-extension role with the Dept Primary Industries and Dairy Farmers.  During that time she lived in Toowoomba and spent most of her time working with farmers on the Darling Downs and the South Burnett.  In her more recent roles, Belinda has worked with farmers in the Young Dairy Network and on industry projects and natural disaster response teams.  Over the years Belinda has enjoyed working with dairy farmers and in their businesses and has built good working relationships with farmers and some great friendships.  Belinda and her husband, Mark, have 3 children and live in Highfields near Toowoomba.


Kylie Dennis

Subtropical  Dairy, Regional Extension Co-ordinator

Young Dairy Network Sunshine Coast Qld

Mob: 0456 191 965

Kylie began working in the dairy industry in 2004 when she commenced employment with the Queensland Dairyfarmers’ Organisation (QDO) as an Executive Assistant. She left QDO late last year and joined the Subtropical Dairy team in January this year as an Extension Co-ordinator. Kylie has vast experience in event management, business administration, communication platforms and supporting farmers during disasters. She is very passionate about the dairy industry. Kylie lives in Brisbane with her three children.



Katina Trout

Katina Trout

Subtropical  Dairy, Regional Extension Co-ordinator Northern NSW

Young Dairy Network FNC & MNC NSW

Mob: 0427 916 650

Raised on a mixed farming property in Queensland, Katina graduated with a degree in Agribusiness and later obtained a postgraduate certificate in Marketing Management. Katina worked for several years in various agricultural industries, including roles with the Cotton Trading Corporation, Incitec Pivot Fertilisers and Bayer CropScience. In addition to her agribusiness experience, Katina has worked in brand, product and marketing management roles in the member services and tourism sectors. Katina currently has a marketing and design business specialising in agribusiness, undertaking brand, promotional and communications work for a number of private and corporate clients.


Di Gresham

di_gresham Project Manager

Email: Mob: 0428 835 450

Di first developed in 2006 as part of her award winning project in the RIRDC Rural Woman of the Year awards and continues to manage the site on behalf of Subtropical Dairy. Experienced in facilitation and project management, Di remains passionate about the dairy industry and enjoys delivering programs that have positive outcomes for farmers. Di farms with her family on Queensland’s Sunshine Coast.