These aren’t your average Dog Trainers.

Heidi Frank-AS Canine Science

Owner/Trainer

From the moment I could walk, dogs were my passion. Everything about them intrigued me. There was no question what my college studies would be! I enthusiastically entered the Canine Science program at Mount Ida College, Newton, Ma and graduated in 1993 with my AS in Canine Science. Having double majored in Behavior and Grooming, I learned the great intricate details of our canine counterparts.

Now, 33 years later, I still have that passion times 1,000! Modern Science is evolutionary. Therefore, so are my training techniques. Did you know, the average canine adult comprehends at the maximum comprehension of a 3 year old human child?. Connect with me and learn more!

In my spare time, I enjoy the company of my Daughter and many, many, many animals.

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Our story

Our team brings over 30 years of hands-on training experience. As the science of dog training continues to advance, so too have our dog training techniques. This ensures we remain up to date on the most effective ways for you to communicate with your dog through practical hands-on instruction. Treating each dog as a whole, our team works together to careful craft a plan of success for you, your family’s lifestyle, and most importantly, your dog’s individual personality ensuring a lifetime of success at home.

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Jillian Harper-AKC , CGC

Trainer/Hiker

Jill has been working for Doggone Fit since early 2020. She hikes with large packs of dogs on Adventure Trips, teaches group classes, meets with clients one on one, and enjoys Board and Trains with dogs of all behavior backgrounds.

Jill is also an AKC Good Citizen evaluator that loves teaching the AKC Smart Puppy Program. She has spent the better part of 15 years raising and training service dogs for various programs throughout Massachusetts. This is where Jill developed a deep love of working with dogs.

In her free time, Jill loves to spend time with her own personal dogs, and most recently has taken up competing in scent work, learning more about shed hunt and tracking with her Bluetick Coonhound!

You can follow her training adventures on Instagram at @the.brindle.adventurer

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“From start to finish, working with Doggone Fit was pleasant and stress free. My dog training experience went above and beyond what we could have imagined for Max. Now we sit back and relax knowing that he is in the best of hands.”

- Jeanine S. Customer

Marshall Feinberg

Marshall is a professional dog trainer currently based in Central Massachusetts, with roots in Maryland where he first learned the art and science of dog training. Specializing in behavior modification and obedience, Marshall is known for his calm, confident approach and deep understanding of canine psychology. From leash reactivity to impulse control, he works closely with owners to bring out the best in their dogs through structure, clarity, and engagement.

Marshall has a particular passion for hunting and high-drive breeds, and his extensive knowledge of dog types allows him to tailor his training to each dog’s instincts and temperament. He’s an avid believer in the power of real-world training, often leading structured pack hikes that provide dogs with exercise, socialization, and leadership. Whether working with family pets or performance-minded dogs, Marshall blends practical experience with a lifelong love of dogs and the work they’re capable of doing.

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