Seiji Ninomiya



Born: April 27, 1967


Owner of Narita Ridingclub


Jumprider of World Cup finals Milan (Italy)

Takako Ninomiya


Born: June 26, 1961


Stable and office manager of Narita Riding Club Japan


Organizer of all  horses that come from Holland (Team Piet Raijmakers) to Japan.


Family Raijmakers

Team Piet Raijmakers currently consists out of father Piet Sr., son Joep and daughter in law Leontien and has a lot of  equestrian expertise between the three of them.

Son Piet Raijmakers jr. is a professional showjumping rider as well, with an international career. At his own enterprise at the same address he currently chooses to predominantly focus on his sports career.

Piet Raijmakers sr.


  • Team gold EK La Baule 1991
  • Gold and silver winner showjumping at the 1992 Summer Olympics in Barcelona.
  • Team gold WK Aachen 2006
  • Trainer of several national selections

For over 35 years Piet Raijmakers has been part of the absolute top of professional Dutch showjumping. After his sports career he has committed himself to guide international riders at top level and train jumpers within the family business. Piet trains with professionalism and makes sure the quality of his pupils is always at the highest level.

Joep Raijmakers


Joep Raijmakers

  • Professional show jumping rider
  • NOC/NSF trainer & coach level 5

After his active career at the highest levels in show jumping Joep has dedicated himself to being a top trainer. He is educated and qualified as a Olympic level trainer & coach. Joep is also responsible for training and for the sales process of Team Raijmakers’ jumpers.

Leontien Raijmakers-Dings


  • Grand Prix dressage
  • Training & scouting dressage horses
  • Advisor/coach of the Paralympic Dressage Team Japan

Leontien is a Grand Prix level rider, but also trains young dressage horses herself. Married to Joep and mother of their daughter Fabiënne and son Martin, she also still finds the time to search for her customers’ dream dressage horses.

Fabiënne Raijmakers


Fabiënne Raijmakers

Fabiënne is Joep and Leontien’s daughter. Born in 2012, she’s currently the official youngest member of Team Piet Raijmakers. Every day she can be found at the stables with her ponies while checking out everything happening around her. She loves showjumping, but also enjoys dressage.

Dorry Raijmakers


Patner from Piet Sr

Manager from the stable and office.

Martin Raijmakers


Son from Joep en Leontien

Brother from Fabiënne

Piet jr, Michelle, Jason Raijmakers



Show jumping rider Piet Jr runs his own competition stable on the

family business of Raijmakers Stables

For more information about Piet Jr and his family,

please visit his own facebook.