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Willem Greve 

Willem has been obsessed with horses since his childhood. He rode in the Ponies, Juniors and Young Riders 10 European Championships with seven different ponies and horses. He has now been able to realize his big dream at a beautiful equestrian complex in Markelo for training young horses, practicing top sport and trading sport horses. In addition, Willem with Zypria S N.O.P. included in the Dutch Olympic frame jumping. 

  • Gold, 2x silver and bronze at the World Championships for Young Horses
  • 2x silver and 2x bronze at the European Championships
  • 5 x Nations Cup Match winner


Fabienne Roelofsen

Fabiënne Roelofsen has beene already infected with the horse virus. Every day she gets energy from working with the horses. Fabiënne thinks it is important that the horses want to do it for her in the ring and that they have fun. Stal Roelofsen pays a lot of attention to this and the PrimeVal supplements are a very nice addition to this. 

Results ponies:
  • Winner of the Grand Prix Indoor Wierden with Fred in 2006
  • Winner Roelofsen Raalte Trophy Small Tour with Imagine in 2007
  • Team Silver at the European Championship with Fred in 2008
Results horses:
  • Winner of the Grand Prix of Zuidwolde with Canto Bruno in 2020
  • Multiple high rankings and clear rounds at 2* and 3* levels


Meike Zwartjens

Meike is 16 years old and comes from a real horse family from Raalte. She's been riding since she was 5.e year. She has competed internationally with the ponies and children and currently she is included in the B-framework with the juniors and she competes with the seniors at 1*, 2** and with young horses. At the Zwartjens family, self-bred horses are trained to top sport level.

Results ponies:

  • Winner youth competition heavy tour with Orchid's Sea Foam in 2017
  • Winner Nations Cup Lambrechtshausen with Orchid's Sea Foam in 2017
  • Bronze Dutch Championship class ZZ with Ziggy Z and vdk in 2018

Results horses:

  • Grand Prix winner Children Jumping de Achterhoek with Gaillard de la Pomme in 2017
  • 2nd Nations Cup Children Lambrechtshausen with Gaillard de la Pomme in 2018
  • 2nd youth competition Juniors with Twister de la Pomme in 2019 and 2020
  • 5th place Dutch Junior Championship with Twister de la Pomme in 2019
  • Winner Nations Cup Juniors Wierden with Twister de la Pomme in 2020


Bram Chardon

As a 4-in-hand driver, it gives Bram a thrill that you can control 4 horses with minimal aids, that they 'want' to work for you to fight as one team of man and horse for victory.
Team Chardon has been a user of Primeval products for over 15 years, which makes an important contribution to keeping our horses fit and 'happy'. The horse is the real athlete and if they are not feeling well it is not possible for us to become world champions. Bram Chardon has been included in the Dutch Olympic four-in-hand frame with his four-in-hand.

  • 3-time World Champion 4-in-hand ponies
  • European Champion 2019 4-in-hand horse
  • Winner of the 2019 FEI World Cup Driving


Derk Jan Mekkes

Derk Jan and his sister Hanneke are the driving force behind Stal Mekkes. They are active on a national level with their harness horses and Stal Mekkes is a brand at foreign events, where they present their harness horses to an international audience. Harness horses are able to bring the audience into ecstasy with their natural way of moving. 
Stal Mekkes has been using PrimeVal products for years. As a young horse, the horses are trained and, partly due to the use of PrimeVal, they are able to continue to deliver top performances well into old age. It keeps the muscles and joints flexible and the horses stay fit. 

  • Multiple winner Masterclass harness horses
  • Winner National Singles Competition 
  • Dutch Champion 2-Spain 
  • Dutch Champion Clover 3 
  • Dutch Champion Four-in-hand
  • Hippiade Champion 2-in-hand

Madeleine White Fear

Dressage rider at the highest level and together with her husband owner of Stal Witte. Her motivation in top sport is a combination of several factors. Driving, having fun, dealing with animals and practicing top sport in which she tries to develop herself better and better. Madeleine is included in the Dutch Olympic Dressage Framework. 

  • Silver Dutch Championship Heavy Tour in 2017
  • 9 times KNHS Champion 
  • Individual 8th place European Championship in 2017
  • Multiple high rankings during World Cup competitions
  • Multiple Heavy Tour wins


Sanne van der Pols

16 years old and comes from Abbenbroek. At the moment Sanne is in her HAVO exam year at the Thorbecke in Rotterdam. With her horses Excellency and Cuvanck Pp she has participated 4 times in the European Dressage Championships and is currently competing in the Juniors. In addition, she also has Kopperfield C-Two DVB, a 5-year-old gelding and hopefully her future U25 horse. She gets her motivation from the fact that things never go perfectly and that you work towards this together, together with her horses and with Primeval. Sanne is included in the A-level dressage Juniors. 

  • 2x Team Gold at the European Children's Championship 
  • Bronze at the Dutch Children's Championship
  • Team Silver on the European championship Juniors in 2019 
  • Team Bronze on the European championship Juniors in 2020
  • Silver at the Dutch Junior Championships 2020