Tracey Costa began K9 Nose Work® training with her West Highland White Terrier, Maisie, in April 2010.  Tracey fell in love with the sport andTracey Costabecame a Certified Nose Work Instructor (CNWI) in 2015.  She became a Certifying Official for the NACSW in 2022. Tracey is a Certified Professional Dog Trainer (CPDT-KA) and is the Owner of Positive Note Dog Training.

Team Maisie became the first Westie to earn the NW1, NW3 Elite, and Elite Champion titles.  She is currently trialing with her young dog, Josie at the Elite level.

Tracey is passionate about helping dogs and their owners reach their full potential. She loves to see the joy that K9 Nose Work brings to dogs and their families.  She teaches weekly classes at a variety of locations in southern Massachusetts.