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. 

Merchant TSR - Lower North Island
Danny Prodger

Sales Team

Danny has been involved in farming in some way for most of his life, from his nearly two decades hands on farming experience in both dairy and sheep & beef sectors to his time spent working for Open Country Dairy.  He has also spent several years selling lifestyle and residential real estate.

Danny has a Diploma in Farm Management which he completed while he was farming.

Danny advices farmers on the health and performance of their herd in the area ranging from Hawera to Napier, to Martinborugh and Otaki.

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.

Merchant TSR - South Island
Kimberley Wright

Sales Team

Kimberley joined SealesWinslow as a Technical Service Representative for the South Canterbury and Otago areas 4 1/2 years ago and recently moved into the South Island merchant role . Having spent nine years in the dairy industry and being born and raised in Canterbury, Kimberley brings a lot of experience of best farm practices for her region. 

Kimberley is passionate about animal health, even to the point of studying this very subject with Primary ITO along with husbandry and mating for the dairy industry.  Her passion, experience and knowledge were clearly demonstrated by winning apprentice of the year in 2013.

Farmers in her region will find that Kimberley is happy to discuss the needs of their herds and offer suggestions for improving health and performance.

Family and friends are an important part of Kimberley’s leisure time and will on occasion join Kimberley in her other passions, camping and hockey. 

Animal Nutrition TSR -Taranaki West
John Baldie

Sales Team

John joined SealesWinslow in May 2018 from share milker to farm owner, John has farmed in the UK, Australia and for over 20 years in New Zealand. John has a nutritional background from the UK and holds an advanced trade certificate in Farm Business Management.

He has an absolute passion for feeding all stock to meet their full potential. 
Now living in the heart of Taranaki on the coast and loving every minute of life.

Merchant TSR - Lower North Island
Mike Kemp

Sales Team

Mike has joined SealesWinslow as the merchant animal nutrition TSR for the central region.
Prior to this he has spent the last 12 year in the agriculture industry 7 of those travelling the country for Asure Quality mainly as Meat Inspector but also a part of the ‘on farm’ team, throughout that period Mike has seen the internal effects of poor health and nutrition first hand.

Mike has also worked at a merchant level in the dairy sector for the past 2 years so he is passionate about helping his customers achieve their store business goals with SealesWinslow.

Mike can be seen visiting stores from Wellington to New Plymouth and across to Gisborne.


Merchant TSR - Northern
Kate Stewart

Sales Team

Kate worked as the Merchant Technical Sales Representative - Northern Region for Seales Winslow from 2014-17.  Kate has returned to the company in 2020 to resume this role after having a 3-year hiatus working in the car industry. 
Having owned a dairy farming business for 20 years, Kate has had plenty of experience in the cow shed and rearing calves. Kate is very passionate about rearing great heifers, as they are the future of the dairy industry. 
Kate works with merchant stores from Kaitaia in the north, to Taumarunui in the south, and all the way east to Opotiki.


Animal Nutrition TSR
SealesWinslow team - Penny
Penny Lavender

Sales Team

Penny joined SealesWinslow early in 2020 as our Nutrition & Quality specialist, based in the South Island.

Penny brings extensive experience to this role, dairy farming for 16 years, managing a vet clinic for 6 years, and another 6 years in nutrition for dairy, deer, sheep and beef. 

Her experience is backed up with qualifications: NZ Certificate in Animal Technology & NZ Certificate in Animal Care, Dairy Production Systems Course, and a Milk Map Course.

Penny is excited to use her experience and knowledge advising our TSR’s and provide on farm solutions to optimise stock health and productivity.

In her spare time, you will find Penny tramping with an aim of completing all of the ‘Great Walks’ in NZ.  Escaping the pressures of a busy lifestyle to enjoy and explore our beautiful country with her partner and family. Spending time enjoying children and grandchildren is hugely important as is travelling around NZ on their road bike while taking in the sites. 

Animal Nutrition TSR - West Coast, Nelson & Marlborough
Merchant TSR - South Island
Mike Harrison

Sales Team

Mike started with Seales Winslow in November 2021. His qualifications include Intermediate Sustainable Nutrient Management and Farm Dairy Effluent System Design & Management both from Massey University. He has been a consulting effluent systems specialist in various roles in the North & South Islands, Rural Earthworks project manager, Regen/biological farming systems consultant and has significant BDM & marketing experience.

Mike brings with him a passion for profitable and sustainable farming. Outside of work he lives on a Canterbury lifestyle block, enjoy time on adventure and off road motorcycles and snowboarding in the winter.

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