Happy Tail Dog Training LLC

Positive Methods.  Positive Results.

Serving The Greater Baltimore Maryland Area



Certified Canine Behavior Specialist, The Academy of Dog Behavior

Certificate of Excellence in Science of Animal Behavior Change, Dr. Sue Friedman


International Association of Animal Behavior Consultants, Supporting Member


Certified Nose Work Instructor, NACSW


Association of Professional Dog Trainers, Full Member


The Pet Professional Guild, Full Member


Journal of Veterinary Behavior, Subscription



Happy Tail Dog Training:  Positive Methods.  Positive Results. 

Located in Phoenix MD and Serving Northern Baltimore and Harford Counties

Photo: Self portrait.  Copyright 2011 Colleen M Griffith. All rights reserved. 

Contact Colleen

Happy Tail Dog Training LLC is owned and operated by Colleen Griffith, Canine Behavior Consultant and Training Instructor & Coach.  I provide services ranging from socializing puppies, teaching structured play as a reinforcer within a reward based training system, modifying unwanted behaviors in dogs of all ages and breeds, reducing stress during vet visits, helping shy and fearful dogs, modifying aggressive behavior, and training in K9 Nose Work™, obedience, and manners.   

I am located in Phoenix MD and am available for consultations and private coaching as well as canine training sessions throughout the Greater Baltimore Maryland Area including Baldwin, Bel Air, Cockeysville, Fallston, Fork, Glen Arm, Glencoe, Hunt Valley, Lutherville-Timonium, Montkon, Parkville, Phoenix, Sparks, Towson   

Thank you for visiting.  Please use the below form to request more information about my services or to provide feedback. 

Colleen is no longer taking on new Behavior Modification clients.

She is still taking on new K9 Nose Work clients.  

Click here for a list of recommended trainers/behaviorists who can help you with Behavior Modification.


© 2012 - 2017 Happy Tail Dog Training LLC. All Rights Reserved. Materials not to be copied, distributed or used without prior written consent.