The “MS” stands for Master of Science and is my graduate degree.
The “CPDT-KA” stands for Certified Professional Dog Trainer – Knowledge Assessed and is the most widely accepted certification for dog trainers. It requires passing a long exam and, to be re-certified, completing Continuing Education credits (ongoing).
And finally, the “CTDI” stands for Certified Trick Dog Instructor. It’s was awarded by Do More With Your Dog (now handled through AKC).