About Us

Lloyd Aguero, Applied Canine Problem Behavior Consultant

Lloyd Aguero was born a genetically predisposed biologically assembled animal person.

The founder of Great Falls Dog training, he has been a leader in dog training and innovator in animal behavior for over 30 years

Lloyd and his dog Sailor

  • Over 7500 classes taught
  • More than 50,000 dogs and their human partners trained
  • Lifetime member of the National Association of Dog Obedience Instructors (NADOI) and past —Chairman Education & Training Committee
  • The trainers trainer – many professional trainers learned their craft as Lloyd’s apprentices
  • Often sought as a dog behavior expert in legal matters
  • Host of “Your Dog’s Best Friend” TV show


June 1, 1993 Washington Post

June 21, 1986 Washington Post

About Kristen Steingrandt, Co-Instructor / Webmaster

Kristen and her pug, FranklinKristen has been working with Lloyd as an apprentice since 2005. She has taught many of Lloyd’s classes and attended seminars by world-class animal behaviorists Ian Dunbar, Brenda Aloff, Patricia McConnell and Pat Miller. She enjoys learning the sport of flyball with her pug, Franklin, and working with all the dogs who come to Great Falls/Reston Companion Dog Training. Kristen is originally from Vermont and has been living in the Washington, DC area for 20 years. She is a member of the Association of Pet Dog Trainers (APDT) and working toward becoming a Certified Pet Dog Trainer (CPDT).

TV Show

Lloyd Aguero hosts "Your Dog's Best Friend" on Reston Community Television. Watch on Comcast channel 28, Cox channel 10 or online at RCTV28.com