1971 - Began my career working with animals at Yale University School of Medicine.

1972 - Graduate of Ralston Purina's Program in Animal Laboratory Technology.

1975 - Purchased two trained German Shepherds which started an interest in training as a profession.

1980 - Enrolled in the United States K-9 Academy to become a professional trainer.

1985 - Graduated the United States K-9 Academy.

1993 - 94 - Guest lecturer of Dog Behavior and Psychology in Law Enforcement Program at the University of New Haven.

1994 - Granted Master Trainer Status from the United States K-9 Academy, Ltd. Robb Report (Jan. 1994 issue).

2000 - Received Golden Leash Award.

2002 - Author of Canine Corner - published by the Journal Register.

2002 - Expert witness in dog bite litigation.

Current - Gus continues to author many articles related to canine obedience / leads several training courses.

Gus has titled his own dogs in AKC obedience trials.

Profile: Constantine "Gus" Marnel - Registered Master Trainer

Dog training tips

Dog obedience training

K-9 Communication dog training

K-9 Communication LLC

Registered Master Dog Trainer

Constantine "Gus" Marnel

Milford, Connecticut




All ages

All Breeds

Gus has been featured in many magazine and newspaper articles as a Master Trainer.

State Licensed Facility

About Gus & K-9 Communication Dog Training

Member of P.D.T.A.