American Tortoise Rescue (ATR) is an animal rescue organization dedicated to the rescue, rehabilitation, adoption and protection of all tortoise and turtle species, and the protection of their environments. Located in Malibu, CA, ATR is a United States 501(c)3 nonprofit corporation. Since its founding in 1990 by husband and wife team Susan Tellem and Marshall Thompson, ATR has rescued over 1000 turtles and 2000 tortoises.The organization's in-house population "floats" at about 125 animals.