Certified Dog Trainers in Waltham, Massachusetts

Sophie Oldsman (she/they) is a Certified Dog Behavior Consultant through the IAABC, holds an MS in Behavior Analysis, is fear-free certified and is a certified Separation Anxiety Professional. She has a deep commitment to humane, evidence-based practices. With years of experience supporting dogs and their guardians through behavioral challenges, Sophie founded Fresh Start Canine Behavior to help families build stronger relationships with their dogs through empathy, education, and individualized support. Her services are grounded in the science of learning and behavior, with a focus on fear, reactivity, and separation anxiety. Sophie works collaboratively with veterinarians and other pet professionals to provide thoughtful, practical, and data-informed care. Fresh Start Canine Behavior offers in-person services in the Greater Boston area and remote consultations for clients across the country.