Kat Albrecht-Thiessen is a police detective-turned-pet detective and founder and director of the Missing Animal Response Network (MARN). Since 1997, Kat has trained and worked search dogs trained to track lost pets. She is widely known as the leading authority on pet detective training and she operates the only online pet detective academy through MARN. Kat is the author of two books: Pet Tracker: The Amazing Story of Rachel the K-9 Pet Detective and Dog Detectives: Train Your Dog to Find Lost Pets.