Marley Muffin-Face is the original plucky puppy. Katrin adopted him from the San Diego Animal Shelter when he was a puppy. Without many new or positive experiences during his critical socialization period, he was terrified of everything, especially people. As he was getting used to his new family and environment, Marley showed remarkable strength and courage. With lots of remedial socialization, training, and behavior modification, he eventually adapted to his new home and feline and avian companions. He went on to have a distinguished career as puppy socializer and training assistant to Katrin. He passed away from old age and a life well lived at the ripe old age of 16, and continues to be the inspiration for our work.

Plucky Puppy was founded in Portland, Oregon for dogs like Marley, whose spirit could not be vanquished by a bad start in life, and for all the lucky puppies that got everything they needed right from the beginning. We believe that a committed owner—along with ample socialization and effective training—can bring out the plucky puppy in any dog.


Katrin Greim, MA, CTC, CPDT-KA, is a Certified Professional Dog Trainer, Knowledge-Assessed and the owner and founder of Plucky Puppy. She received her Certificate in Training and Counseling with honors from the San Francisco SPCA Academy for Dog Trainers in 2007. She also graduated from the Canine Behavior Academy at the Marin Humane Society. In addition to providing private training, behavior consultations, and day training, she offers boarding and training in her home and has taught Learning Theory to aspiring dog trainers at the Whole Dog Academy. Katrin is a professional member of the Association of Pet Dog Trainers, an AKC certified Canine Good Citizen evaluator and certified in Pet First Aid and CPR, and has been training dogs since 2006. She shares her life with her two young children and myriad plucky puppies who pass through her home for boarding and training.  


Joanna Meleiro, CTC, CPDT-KA, SA Pro Trainer found her calling while photographing adoptable dogs for local rescue organizations. She completed Jean Donaldson’s Academy for Dog Trainers for a formal path of education in dog training and client counseling. Since the shelter photography days Joanna has been drawn to fearful and traumatized dogs, with endless patience to help them trust the world and thrive as well as guide their humans through the fascinating nuances of behavior change. She completed Aggression in Dogs - Master Course for Trainers and Behavior Consultants, Separation Anxiety Pro Trainer Program, and Separation Related Behaviors Professional Mentorship Program with Tracy Krulik. Joanna specializes in Separation Related Behaviors. Her other special interests include social play, fear & aggression, practical enrichment solutions, and training games. She is a Fear Free Certified Professional. She lives in Vancouver, WA with her husband, three dogs, and a rotating crew of special fosters from Humane Society for Southwest Washington.


Meredith Wilson, CPDT-KA was the co-owner of Doggy Business LLC and is a Certified Professional Dog Trainer through the Certification Council for Professional Dog Trainers (CCPDT). She holds a Master's Degree in Archaeology and spent a decade working at National Parks throughout the Southwest. Meredith moved to the Northwest in 2001 and began her journey working with dogs as a dog walker. She soon developed a fascination about dog behavior and the science behind how and why dogs "tick." She and co-owner and Doug Duncan opened the Doggy Business store front in 2008 and worked with many dogs of various breeds, sizes, ages, and temperaments since that time. Currently, Meredith has a strong interest in puppy training and development, particularly focused around early socialization to better ensure easy-going, behaviorally healthy adult dogs. She also enjoys working with adolescent dogs--building impulse control and reliability around all the distractions of our busy lives. Meredith teaches "dog trainers in training" at the Whole Dog Academy, is a CATCH Canine Trainers Academy Mentor Trainer, and a Canine Good Citizen Evaluator through with AKC.