Myrddin is managed by Margaret Godson. Margaret has had a lifetime involvement in the equestrian field. She has gained her Equine Canada Level 3 Eventing Coach certification, her Senior Instructor and Horse Master certificates from Potomac Horse Center, Maryland, U.S.A. and Canadian Pony Club "A". Margaret has taught professionally since 1975, with emphasis on kinesiology, mental training and systematic development of both horse and rider. She has been long listed for the Canadian Olympic Team in three-day eventing.

Margie has taught and produced competent riders and successful event horses for three decades. She continues to be an active competitor and coaches riders competing at all levels on the Ontario Horse Trials circuit.