Meet the Training Team

mark halladay

Mark Halladay

Founder – President – Sr. Trainer


ABCDT; Certified Dog Trainer, Certified in Pet Massage, Certified in Pet Nutrition and Diet, Certified in Training Shelter Dogs

After graduating with a degree in Marketing and Management from Florida Atlantic University, Mark moved to the Florida Keys where he trained and cared for Sea Lions and Dolphins. Mark was honored with giving a formal presentation at the 2015 International Marine Animal Trainers’ Association conference on “Caring for rescued California sea lion (Zalophus californianus) pups: The realities, the challenges, and the rewards” in the Bahamas.

Following these incredible experiences, Mark decided to use his knowledge from sea to land in an effort to help individuals, families and facilities with their animals. With hands on training from dogs, cats and horses, to birds, reptiles and marine mammals, Mark has the experience and knowledge you need. Mark’s professional approach encompasses a thorough understanding of training principles and positive reinforcement, blended with energy and enthusiasm and a profound love for all animals.



Chrissy Houston

Vice President of Training – Sr. Trainer


ABCDT; Certified Dog Trainer

Working with animals has always been a passion of Chrissy’s. From rescuing and rehabilitating marine mammals in distress to training sea lions and dolphins, Chrissy is living her dream. After graduating from the University of Miami with a degree in Marine Science and Biology, she moved on to various internships and positions that focused on providing quality care to animals in zoos and aquariums, including penguins, sea lions, dolphins, otters, sea turtles and more.

While she is currently working in New Orleans at Audubon Aquarium of the Americas as a Sea Otter Trainer, she still holds a passion as one of landMARK animals’ highly qualified trainers to help people and their animals build stronger relationships and exist in harmony.