Our People

SealesWinslow has a team of experts covering the entire country.

0800 287 325

Animal Nutrition TSR - Eastern Bay of Plenty, Rotorua, Taupo
Mark Mellsop

Sales Team

Chances are you might already know Mark, who joined SealesWinslow at the beginning of 2012.  Before that he was with RD1 for over 20 years, including a long stretch as branch manager of the Reporoa and Te Puke stores. 

Mark is SealesWinslow Technical Sales Representative for Tauranga, Whakatane, Rotorua and surrounding areas within the Bay of Plenty.

Having supported farmers all his working life, Mark has a great understanding of the dairy industry and the challenges and opportunities that go with it.  His knowledge of local conditions is unbeatable and he’s a great person to turn to for advice on increasing the health and performance of your herd. 

Regional Sales Manager Northern
Ryan Scholes

Sales Team

Before joining SealesWinslow in 2010, Ryan was with Anexa Animal Health. Having worked closely with dairy farmers for almost a decade, Ryan has a good grasp of what it takes to be successful in the dairy industry.

Ryan is passionate about helping local farmers improve the health and performance of their herds in the Matamata, South Waikato and Waihi areas.

Animal Nutrition TSR - South Waikato
Sue Avison

Sales Team

Sue joined the SealesWinlow team based in Morrinsville as a customer service assistant in 2007.

Having previously worked for 17 years in the service department at Maber Motors (part of Power Farming) assisting farmers with service and repairs, Sue brings an abundance of understanding of what is important to farmers.

As a local to Morrinsville for the last 25 years, Sue knows the people and area intimately, a huge advantage in her current role as Technical Sales Representative for the South Waikato area.

Sue loves all animals, so enjoys getting to know her customers and working with them to ensure they have the best possible solutions for their herds health and performance.

Animal Nutrition TSR - Franklin, North West Waikato
Simon Butler

Sales Team

Simon has been with Seales Winslow since March 2022.  After completing a Bachelor of Science at Massey University he worked on dairy farms for the last 4 and a half years in Palmerston North and Taupo.


His passion is to apply his in depth understanding of animal physiology and production to help produce healthy happy and profitable dairy cows.


In his personal time he is a keen hunter and trout fisherman, mountainbiker and snowboarder.

Animal Nutrition TSR - Coromandel, Hauraki Plains, Te Aroha & Matamata-Piako
Hayden Hulley

Sales Team

Hayden grew up on a dairy farm in the Hauraki Plains and has been in the dairy industry for almost a decade. His experience ranges from working at RD1/Farm Source to working at Anexa Veterinary Services. Hayden is passionate about helping his clients achieve their on farm goals.  Outside of work you will find Hayden fishing or on his dirtbike.

Regional Sales Manager - South Island
Renee Fa'atui

Sales Team

Renee Fa’atui is the South Island Regional Sales Manager and Corporate/Key Account Manager for SealesWinslow and has been with the team since August 2022. Originally from Wellington, Renee spent her earlier career in admin & event management and only entered the agriculture industry in 2014 when she worked for MyMilk (part of Fonterra) for over 4 years and then moved to Synlait Milk for 3 ½ years as an Area Manager and looking after milk procurement. Renee is passionate about giving back to the industry and has been involved with Dairy Women’s Network and Rural Support Trust. Outside of work, Renee enjoys her time with her amazing husband and two beautiful daughters and socialising with friends and family. She also has a passion for the watching sports, especially her beloved Hurricanes, All Blacks and is a true Holden supporter with the V8 Supercars.

Animal Nutrition TSR - South of the Rakaia River to Balclutha
Kenton Sinclair-Donnelly

Sales Team

Kenton dairy farmed for 14 years, 10 years in Methven, Mid Canterbury and four years on the West Coast of the South Island, managing farms for 12 of the 14 years. Prior to dairy farming he was an aircraft engineer for 28 years specialising in chemical engineering, 20 years for the Royal NZ Air Force and eight years with Air NZ. Whilst dairy farming he realised the importance of nutrition, working closely with Nutrition Specialists to optimise production and upskilling by completing nutrition courses. He brings his passion nutrition to this role to provide results focused assistance to his clients to achieve their goals and optimise their business success. Outside of work he spends time with his family and maintaining his fitness.

Animal Nutrition TSR - West Coast, Nelson & Tasman
Charlotte van der Hulst

Sales Team

Animal Nutrition TSR -Taranaki
Craig Robinson

Sales Team

Craig has lived in the Taranaki region for a vast majority of his adult life after growing up on his Manawatu family farm. He has a strong background in Rural Finance, Animal Health and combined with his farm systems knowledge, knows how to add value through nutrition to any farming operation. Craig currently lives in New Plymouth and has two teenage sons.