Our Trainers

Heather Wilkerson - Canine SMSD Program Manager

Heather Wilkerson began her career with canines in law enforcement in 1995. Heather shifted her canine training towards search and rescue and search and recovery in the late 1990's. Heather served as a member of a FEMA Urban Search & Rescue Task Force for 10 years. She has certified and deployed multiple dogs during major disasters in the US and Internationally. Heather has served as a Canine Instructor, Evaluator, Coordinator, & Mentor Trainer. She is a former Canine Instructor for Auburn University Canine Detection and Research Institute. Heather owned a working dog kennel for over 10 years and has a passion for human animal interaction, canine physical conditioning and injury prevention. She currently serves as a member of the Sports Medicine Advisory Council for the University Tennessee College of Veterinary Medicine.

Heather founded a non-profit organization in 2006 and has served as an Independent Consultant assisting many other Non-Profit Organizations in the Canine Industry for the past 6 years.

Susan Shemwell-Randall - SMSD Lead Trainer

Susan currently serves SMSD as the Lead Trainer for our Mobility Assistance Dog Program. She joined our team in 2013 and has been a tremendous asset to our staff. Susan worked with horses for over 10 years and started transitioning to dog training 7 years ago. Susan is a certified dog trainer through Animal Behavior College and holds a BS Degree in Animal Science. She is a member of Knoxville's Flyball Dog Club with whom she competes with 2 of her own dogs. Susan has a broad knowledge of obedience and animal behavior.

Cassie Krause - Staff Trainer

Cassie Krause grew up in Virginia with a passion for working with animals. By the grace of her patient mother, household pets included dogs, cats, fancy hooded rats, fish and guinea pigs. Her first memories are visits to zoos and aquariums and to this day she will plan trips around the local zoos and aquariums. She graduated from Virginia Tech in 2010 with a Bachelor's of Science in Wildlife Sciences and minor in Biology. After graduation she started her animal training career with an internship at the Audubon Zoological Society in New Orleans, LA, where she began her foundation of operant conditioning while working with California sea lions. She continued on to a hands on training internship at Coral World Ocean Park in St. Thomas in the Virgin Islands with South American sea lions.

After a brief stint as a receptionist and veterinary assistant at an animal hospital, she next pursued an internship, then professional animal trainer position, at Gulf World Marine Park in Panama City Beach, FL in 2012. There she lead daily presentations and encounter programs with Atlantic Bottlenose dolphins, Roughed-toothed dolphins, California sea lions, African black-footed penguins, exotic parrots, and domestic cats, dogs and rats. Though she doesn't have a dog of her own, her 4 year old cat, Leo, keeps her on her toes and even knows a few adorable behaviors.

Tom Greco - Staff Trainer

Tom is a US Army combat Veteran from Rock Hill, SC. He began his career working dogs while serving in the military. Tom attended and completed a Master Dog Training Course in 2018 with Highland's K9's and began training Police and Military K9's along with companion dogs. Tom is also actively involved counseling combat Veterans with Save A Warrior, which is a program for Veterans that struggle adjusting to their new normal life after serving in the military.