
Jenni Pfafman, CBATI-KSA, CCUI, CSAT, CPDT-KA, KPA-CTP, UW-AAB, TAGteach Level 2
Jenni (she/her/hers) is a Fear Free Certified trainer with a BA in Psychology. Jenni became passionate about dog training after hiring and firing trainers while in search of help with her own dog. She focuses on strengthening the human-canine bond, and making training as fun as possible for dogs and their people. Jenni particularly enjoys helping fearful and reactive dogs, has completed Michael Shikashio’s Aggression in Dogs Master Course, Dr. Susan Friedman’s Living and Learning with Animals, and spent time with the ASPCA behavioral rehabilitation team working with severely fearful dogs. Jenni is a student in the Virginia Tech MS in Applied Animal Behavior and Welfare Program. She lives in the Colorado mountains with her husband, Tim, their border collies, Ky and Rocket, and two kitties, Marmalade and Truffle.

Amanda Dwyer, CTC, Cert. SAPT
Amanda (they-them/she-her) graduated with honors from the Academy for Dog Trainers and is the owner of Westward Hound. Her previous background in landscape design and construction gave her a knack for problem solving, and she strives to help clients resolve behavior issues in the most efficient, kind, and effective manner possible. She’s welcomed three challenging rescue dogs into her heart and home over the years, and those experiences have fostered deep empathy and understanding with the struggles that foster parents and rescue adopters face. When she adopted her 2nd dog Newt from a local shelter that offered a complimentary manners class, it inspired her so much she became a volunteer, which started her journey to eventually becoming a dog trainer. She loves helping dogs overcome fearfulness, and helping owners see the world through their dog’s eyes. Amanda currently lives in Seattle with her partner, dog, and cat.

Mary M. Angilly, CTC, CPDT-KA, SAPT
Mary (she/her/hers) is the owner of Mary Angilly Dog Training and is committed to force-free, evidence-based training. She also writes with Dr. Marc Bekoff on all things dog and is passionate about helping shelters and rescues. Mary has a BS in Psychology and Biology and her entire professional career has been dedicated to working with animals in a number of capacities, including as a veterinary technician, supervisor for the Massachusetts Society for the Prevention of Cruelty to Animals, an intern for the Humane Society of the United States, and a training and behavior consultant for the Humane Society of Boulder Valley. She also worked for the ASPCA’s Anti-Cruelty Behavior Team as a professional behavior responder.
Mary lives in Boulder County, CO with her partner, Jon, their adopted senior dog, Buster, and their regal adopted cat, Neji. In her free time, Mary enjoys climbing, skiing, running, competitive soccer, and exploring beautiful Colorado.

Agneta Szabó, M.Env.Sc.
Agneta Szabó (she/her) is an ecological sciences professional based in Ontario, Canada. Captivated by the natural world from an early age, she developed a deep fascination with animals and their behavior, inspiring her to study environmental sciences with a focus on conservation and biodiversity.
After earning her master’s degree, Agneta welcomed her pup, Flora, into her life. Flora’s struggles with anxiety and health issues marked a turning point, fueling Agneta’s commitment to supporting companion animals and their caregivers. This led her to get involved in the nonprofit sector, where her focus on reducing barriers to skilled, humane behavioral support—and championing the well-being of the professionals providing that care—naturally aligned with the values and mission of HART.
With nearly a decade of professional experience in project management, Agneta’s strengths include strategic planning and execution, collaborative leadership and relationship building, and financial oversight and budgeting. She is excited to contribute her skills and perspective to advancing HART’s mission and vision.

Chelsea Walsh, KAP-CTP, BS Biology, MS
Chelsea (she/her) is the owner of Rocket and Rover dog training, a Karen Pryor Academy, Certified Training partner and a former science teacher. Chelsea became interested in dog training after working with her own rescue dog to overcome resource guarding and handling sensitivity. She has a passion for using her years of experience as an educator to help her clients learn how to better understand and help their own dogs. She especially enjoys helping dogs find their confidence, working with reactive dogs and helping dogs with handling sensitivity. Chelsea is always looking for new ways to broaden her experience and learn more about science of dog behavior and training. She works with her local humane society to provide behavioral support for newly adopted dogs and works with a local nonprofit to help keep people experiencing homelessness together with their pets. Chelsea lives on Washington’s Kitsap Peninsula with her husband, Olaus, her two children, dog, cat, lizard and ducks.

Tiff Score, MS, ACAAB, CTC, FFCP
Tiff Score is an Associate Applied Animal Behaviorist and the founder of Free to Be Dog, where she helps people make sense of big, confusing behaviors so life with dogs feels less overwhelming and more joyful. A Virginia Tech M.S. graduate in Applied Animal Behavior and Welfare, Tiff designed and conducted original research studying the stress dogs experience during routine veterinary exams. Based in North Carolina with her partner Joe and their four dogs—Arlo, Winston, Rex, and Holly—she can usually be found hiking, paddleboarding, camping, gardening, or tackling a home project. When she’s not working with dogs or spending time with her family, Tiff competes in adult figure skating.