Board of Directors

Amanda Miller

Amanda Miller


Amanda Miller started out as Eventing Chairman in 2010, becoming VP in 2016 and now President in 2017.  Amanda resides in Clayton. She runs her own business, Miller Eventing, which provides training for horse and rider. She has competed through the Advanced level of eventing and Third level dressage. Amanda attended NC State University, studying Animal Science. In 2006, she became an USEA Certified Instructor, the youngest to be certified at that time. In 2012, Amanda received her "r" Event Judge's License and was promoted to a "R" in 2016, one of only 5 in the US. Amanda is excited about this opportunity to step into this position and continue to help NCDCTA grow.

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Amy Howes

Amy Howes Warren

Acting Vice President
Eventing Chair

Amy and her husband Don live on their farm in Hillsborough, NC and enjoy Eventing and fox hunting together. Amy is an adult amateur and has competed though Training level eventing. She hopes to continue to move up through the levels with her horses Milo and Rosie. She graduated with a BS in Zoology from NC State, and Masters in Physical Therapy from East Carolina University. She works at WakeMed as a physical therapist and judges-rated and schooling hunter/jumper shows. Amy is excited for the opportunity to work as the Eventing Chairman.

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Wendy Warner


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Kathy Gubar

Kathy Gubar


Kathy Gubar of Apex is an active competitor in Adult Amateur dressage and USDF L graduate.  She has a degree in Music Education from the University of North Carolina at Greensboro.  She has worked in the music industry and video production for many years.  She enjoys riding her Hanoverian gelding Murano and has worked from Second Level to PSG with him.  He helped her earn her USDF Bronze Medal, and is one score away from her silver medal.

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Karen Mahaffey

Karen Mahaffey

Member at Large


Karen Mahaffey resides in Sanford North Carolina with her husband Mark and daughter Rebecca. Together they run a small private equine facility that offers lessons and training. Karen has a BS in Animal Science from Clemson University. She has  competed through the CCI** level and fourth level dressage as well as earning her Bronze Medal. She is now in the process of acquiring her "L" with USDF. She has been an instructor for 25 years and is still actively competing.

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Elizabeth Griffith

Member at Large – Annual Awards Gala

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Janice Aquino

Janice Aquino

Competition Chair

Janice and her husband Bill, live in MIddlesex, NC on their 80 acre semi self-sufficient working farm.  Janice recently retired from the pharmaceutical industry after 30 years of working in oncology clinical research.  She has been a competing NCDCTA member since 1989.  Janice earned her bronze medal and hopes to compete at 4th level with Royal Quest, a 10 year old Hanoverian gelding she purchased as a yearling.  Rounding out their family are 3 retired horses, 3 dogs, and 2 cats.  Janice looks forward to becoming more active with the NCDCTA leadership and members.

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Corrine Beck

Co-Competition Chair

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Monica von Windheim

Monika von Windheim

Jr/YR Chair

Monika von Windheim and her family live in Durham, NC. She had worked on a family horse farm in Canada before moving to NC 25 years ago. She shares her passion for horses with her husband and two daughters while her two sons honor their Canadian heritage and play hockey. After purchasing an eleven  old Polish TB mare, Optimistic, for her daughter in 2012 she became more involved with the dressage community. She is a novice rider who looks forward to any opportunity to be around horses.

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Joan Hilsman

Communications Chair

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Ashley Dimmette

Dressage Chair

Ashley is the owner of Dimmette Dressage, rides and trains out of Ovation Farm and the surrounding Raleigh area. Ashley is a USDF Bronze and Silver medalist, and a graduate 'B' Pony Clubber. Ashley enjoys teaching and training horses and riders of all backgrounds. She is currently working toward her gold medal on Carlito.

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