Chester Farm


About Us


Greg Jamieson Greg Jamieson
Greg has had a passion for horses all of his life. He began specialising in showjumping at a young age and his first major achievement was at the age of 18 when he rode his own home produced 6 year old horse Chichester to win the prestigious Bell Tea Grand Prix at the Horse Of The Year show. Following this he won a string of Young Rider classes and Grand Prix. At the age of 22 he represented New Zealand in Australia after winning the 1986 NZ World Cup series where he qualified for the final in Gothenberg, Sweden.

Greg with Chichester
Chichester - Sydney 1986
Greg with Retrospect II
Retrospect II

Greg spent 5 years at Cambridge Stud working as stallion manager, assistant yearling manager and private breaker and pre-trainer of the studs very valuable Thoroughbred youngstock. He also spent 2 years at Westbury Stud in a similar role. This gave Greg further knowledge and experience that enabled him to establish his own very successful business "Chester Stables" in Pukekohe, breaking in and producing young horses to competition level while continuing to coach riders of all levels.
In recent years, Greg has returned to competing full time, producing, among others, the 2 outstanding "Ramirez" geldings "Hez Zurich" and "Retrospect II", and the Holsteiner stallion "Vollrath Chagall", all performing successfully to Grand Prix level.
Greg is now based at his family property "Chester Farm" in Paeroa where, alongside privately producing the next generations of the young Chester Farm Warmblood horses for competition and sale, Greg is available to assist local riders and horse owners by taking on a limited number of horses for training, from breaking-in through to competition level, as well as being a highly regarded and popular coach known for his very professional, systematic, effective and enjoyable riding lessons for horses and riders of all levels and disciplines.


Diana JamiesonDiana Jamieson (nee Fowler)
Diana has grown up with and ridden horses from a very young age, competing in dressage, showjumping and eventing for fun until the age of 17 when she started work in graphics and design, later running her own website design business.
When she moved to Christchurch in 2002 looking for a change in direction, Diana and her mother Sue Fowler (a lifelong horsewoman to whom Diana credits much of her practical horsemanship and knowledge) established the now very well known "Astek Stud" where they set about breeding and producing top quality warmblood horses for all disciplines - from conception to competition this greatly enhanced Diana's knowledge and experience in all facets of breeding, handling and riding young horses through to stallions, stud management and marketing.
Having also spent time with the likes of highly regarded international horseman Buck Brannaman, Ken Faulkner and Steve Houston, Diana's passion lies in handling young horses and gaining their trust, confidence and respect in-hand before progressing this soft feel, communication and balance into work under saddle - this groundwork playing an important role in the day to day training of all horses in work at Chester Farm.

Diana with 3 of her homebred full sisters
Diana with 3 of her full sisters; Astek Gucci, Gianni & Gymbya.
Diana with Astek Gymbya
Astek Gymbya

As well as managing the the overall Chester Farm promotion, website and photography requirements, Diana shares equal involvement with Greg in the breaking-in and general training of clients horses.
Diana also brings to Chester Farm her quality youngstock from Astek. Two of her oldest home-bred and produced horses "Astek Gianni" and "Astek Gymbya" have been very successful with Diana in their light competitive careers to date, with Gianni being crowned "National 5yo Showhunter Champion 2010" in her first season competing under saddle, followed by "Reserve Champion Amateur Showhunter Of The Year" with Diana aboard, while younger sister Gymbya is already following in Gianni's footsteps, winning "Waitemata Summer Series Low Hunter Showhunter Champion 2014" in her first season of competition.
Diana has thoroughly enjoyed expanding more into the producing and competition side of the sporthorse business. She has quickly established a reputation in the NZ showhunter competition circuit as a popular and competitive rider recognised for her well produced horses and professional riding style, and is an increasingly sought after coach due to her very positive, encouraging approach and strong foundation methods.


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