Jennifer Summerfield (she/her) is a veterinarian and Certified Professional Dog Trainer (CPDT-KA), with a focus on treating behavior problems including aggression to humans or other animals, separation anxiety, and compulsive behavior disorders. She also teaches group classes and private lessons in basic obedience for pet dogs, and coaches students getting started in dog sports such as agility and competitive obedience.

Jennifer is proud to be a member of the American Veterinary Society of Animal Behavior (AVSAB) and the Association of Professional Dog Trainers (APDT). She is a passionate advocate for positive, science-based methods of training and behavior modification, and loves helping pet owners learn to communicate more clearly with their dogs. 

Outside of work, Jennifer enjoys competing in a variety of sports with her three Shelties, including AKC agility, obedience, rally, and conformation. She has been a past webinar presenter for Jean Donaldson’s Academy for Dog Trainers, a guest lecturer on clinical animal behavior for veterinary technician students at her local community college, and also writes a blog on behavior and training issues for dog owners.

Her blog site can be found here:

Pronouns: Jen goes by she/her.

Pet Professional Workshops on Demand


WP230: Romping Rovers: Understanding Dog-Dog Play

 For many pet dog trainers, refereeing dog-dog play interactions is an important part of the job! Whether you’re teaching puppy classes, running a doggy daycare, or helpi...

Jennifer Summerfield, DVM (Guest Instructors)

WP240: Training Problem or Medical Issue? Red Flags for Veterinary Referral

As a pet dog trainer, you won’t just be teaching basic obedience skills – you’ll also be asked to help with a variety of so-called “problem behaviors” that your clients and th...

Jennifer Summerfield, DVM (Guest Instructors)

WP340: Fixing Fear: Applied Desensitization and Counterconditioning

The idea of “fixing” something as complex as a fear response or phobia might be a tad optimistic … but we can definitely use applied behavior science to help our clients’ dogs...

Jennifer Summerfield, DVM (Guest Instructors)

WP600: The Perfect Puppy Class: Scheduling, Structure, and Skills

Okay, so you’re ready to offer your first puppy class – how exciting!  Working with puppies (and their people!) is one of the most fun and rewarding parts of being a pet ...

Jennifer Summerfield, DVM (Guest Instructors)