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Anne is no longer a trainer at Knoll Farm.  We are proud to say she is  the Chef d’Equipe/National Coach/Technical Advisor for the U.S. Dressage Team 2012. 
Knoll Farm trainers Andrea Mercier, Laura Samuels Cohen, Pat Conlan and Doreen Byrne all trained under Anne for many years and follow in her training and teaching methods.

Anne has been training and showing horses in the United States since 1972. She has trained and shown eleven of her horses, six of which were USET long listed, to Grand Prix. A number of her students have competed at the FEI levels and several have schooled and shown their own horses to Grand Prix with her help.

Mrs. Gribbons was a member of the USET squad at the North American Championships in 1985 and the World Championships in 1986. She finished seventh in the 1994 World Championship Trials on Leonardo II, who was also invited to the World Cup League Finals and ended the year in fifth place in the USET 1994 Grand Prix standings.

At Devon in 1994, she rode on the CanAm Gold Medal Team and In 1995 she was a member of the Pan American Silver Medal Team on Metallic, whom she schooled to Grand Prix. Metallic, under Robert Dover, was on the Atlanta Bronze Olympic Team and was the 1998 U.S.D.F. Grand Prix horse of the year.

Mrs. Gribbons was the North American Representative to the FEI World Cup Committee 1994-1997, is serving a third term on the AHSA Board of Directors, is a member of the USET Dressage Committee and a member of the USET National Advisory Board. She chairs the new Athletes Advisory Council of the AHSA (all disciplines) is vice-chair of the AHSA Dressage Committee and is the Chairman of the USET Active Competitors Committee.

Anne Gribbons is Federation Equestre International "O" Judge, a licensed AHSA Senior judge and Sports Horse Breeding judge.

Anne and David Gribbons still maintain a barn at Knoll Farm. They reside at Knoll from May through November.

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Andrea began her riding career competing in hunter/jumper and equitation classes as well as lower level dressage as a junior. Later Andrea received formal dressage training while residing at Verden Park, a European horse import, breeding and training farm in Maryland. There she was under the tutelage of Linda Schmergerlatt. Linda, an Australian who was "long listed" along with her horse Fenton in dressage for the 2000 Olympic games in Sydney.

She also received daily training from Rainer Schmergerlatt. Rainer was on the U.S. Grand Prix jumper scene for some time before moving back to his homeland, Germany. Upon her return to Long Island, Andrea began teaching hunter/jumpers and dressage. This included training a variety of horses and taking students to shows which included the Hampton Classic.

Andrea brought along several students that started as beginners and progressed up to the big Eq. Andrea has been studying dressage with Anne Gribbons since 2000.


Some of Andrea's recent accomplishments include:

  • Earned a U.S.D.F. Silver Medal in 2004
  • Competed and achieved Qualifying score at Grand Prix aboard Don Extra
  • Qualified at Intermediare for the Region 8 Championships.
  • Brought her own horse Camelot along the levels, starting with him at first level and competing at Pre St. Georges. As well as Qualified and competed at the Region 8 Championships. Andrea also trained Camelot from green and on to show in the Hunter/Jumpers, with great success at AA shows.
  • Placed 6th individually at Equus 2003 Costa Rica. A CDI international show jumping competition.
  • Started her Junior rider student Christina Halpin at training level and brought her to achieve a U.S.D.F Silver Medal 2008.

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Laura Samuels

Laura has trained exclusively with Anne Gribbons since 1986.

Some of Laura's accomplishments have been:

  • 1988/89 U.S.D.F. Young Rider Grand Prix National Dressage Champion
  • U.S.D.F. Silver and Gold Medalist
  • Showed extensively on the Eastern Seaboard Circuit for five years from Third Level through F.E.I.
  • Has shown "Losander", a Trakehner geldng, in Grand Prix de Dressage for four seasons
  • Rode for the Region 8 Team at the North American Young Rider National Championships three times and in 1980 was fifth in the individual Dressage Championships aboard "Kristall", a Swedish Warm blood gelding.

Most Recently: Kaz Roe started training with Laura as a Level 1 rider in October 05. Within one year under her instruction Kaz achieved her U.S.D.F Bronze, Silver and Gold medals. Kaz was ranked #2 Adult Amateur at Pre Saint George, and #12 at Intermediate 1 by the U.S.D.F.

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Pat Conlan

Pat graduated from Potomac Horse Center's HM Course with Honors. Under direction of Anne Gribbons, training horses at Knoll Farm for the past twenty years.

Winner of AHSA, USDF, LIDCTA High Score Awards on own and client's horses. USDF Bronze Medal. For eight years Pat coached two college teams one of which won the regionals. She has coached several Pony Club members - several going on the HA status - one student won the combined training regionals.

Coached several students through the Open Equitation and Hunter Division, winning many championships. Additionally, she has judged over one hundred shows. Pat is an AHSA "r" judge.

Pat Colan riding and George Morris (standing at left) judging.

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Doreen has been riding and competing since she was a young girl. She and her first horse competed successfully in the hunters, equitation, dressage and three-phase events.

As a teenager Doreen discovered her true passion is dressage, and turned her focus to training and competing in that arena. Doreen has qualified several horses for the Region 8 Dressage Championships, from training level through Third Level. She trained and competed Gourmet from First level through Pre St. Georges. The pair earned a U.S.D.F Bronze and Silver medals, and also qualified and competed at Devon at Fourth Level and Pre St. Georges.

Doreen trained and competed Renoir from Training Level through Intermediare I. Most recently they qualified for Region 8 2008 Championships and Devon at Pre St. Georges.

She has twice won the Adult Amateur Second Level Championship for Region 8, first with Gourmet in 1994 and later with Renoir in 2004. Doreen has been training with Anne Gribbons for the last 5 years. Doreen began teaching in 2005, and currently teaches all aspects of riding. She enjoys working with aspiring dressage students of all levels, and also with beginners to intermediate hunter/jumper and equitation students.

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Laura is a Nationally recognized rider and trainer. Laura’s unique talent reaches from teaching beginner riders all the way to training advanced riders through to National Finals.

Her students compete in the “AAA” Shows and have qualified and ribboned in the Zone II Finals in such divisions as Marshall and Sterling Hunter and Jumper Finals, USEF Pony Finals, USEF Junior Hunter Finals, The Medal, Maclay, USET, and PHA Finals. These students have also gone on to Harrisburg and Washington under Laura’s tutelage. Proving her success, in the last 8 years Laura has been the Zone II Trainer of the Year three times!

In 2005, Laura began expanding her business into importing and selling quality sport horses. Her horses have been hugely successful on the show circuits around the United States.

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Janet graduated from State University at Farmingdale with an associates in the sciences. She began riding at a very young age and has owned her own horses since age ten. She currently breeds warmbloods including Dutch, Holstiener, and Oldenburgs.

Her last foal currently won three consecutive Grand Champion young horse in show on Long Island recognized/rated shows. Training young horses is her forte. She currently rides and trains her Dutch warmblood, whom she bred, in several disciplines including dressage, but enjoys showing in hunters and jumpers.

Janet teaches Equitation, Hunters, Jumpers, and Dressage, with emphasis being on balance and harmony in all disciplines.

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