Colleen is an instructor in the Tuesday night beginner class. She is temporarily on leave from teaching due to family obligations.

Colleen first attended CDTS in 1994 and has brought her dogs and a number of foster dogs to classes ever since.

In 2006, Colleen started agility with her Jack Russell Terrier, "Reilly". In 2008, she rescued another JRT, "Tessie", who, unfortunately, went blind in 2012. Colleen sees this as just another challenge in training her dogs.