Chirag is passionate about the application of ethical behavior change science to improve the life of animals living under human care by teach animals to be active participants in their own daily and veterinary care in a low stress manner. He is highly sought after for working with private clients, organizations as well as teaching workshops and presenting at conferences. Chirag was also an expert on BBC 1’s TV Series Nightmare Pets SOS and has gives TV interviews worldwide.


Chirag earned his BSc(Hons) in Veterinary Sciences from the Royal Veterinary College in London and a Postgraduate Certificate in Clinical Animal Behavior from the University of Lincoln, UK. He also holds an Advanced diploma in practical aspects of companion animal behavior and training from the Centre of Applied Pet Ethology. In 2005, Chirag completed an internship in dog behavior and training with a focus on aggressive behavior under the mentorship of Jean Donaldson at the San Francisco SPCA and developed his understanding and skills in puppy training under the mentorship of Ian Dunbar PhD, BVetMed, MRCVS. He is also a member of the Association of Pet Dog Trainers UK (00923).  He has also been invited and accepted as a Certified Parrot Behavior Consultant (CPBC), with the International Association of Animal Behaviour Consultants (IAABC).

Debby McMullen began her training career in 1998 as a volunteer instructor at Animal Friends shelter in Pittsburgh. She has taught thousands of classes through the shelter and at other locations. She started as a dog walker at the shelter, where she developed a keen interest in behavior and was asked to join the behavior program. This lead to a career switch and the creation of her own behavior business.

Debby also ran her own Doberman rescue for nearly 15 years before taking a less active role in the rescue world.

The author of "How Many Dogs? Using Positive Reinforcement Training to Manage a Multiple Dog Household", Debby's specialty is behavior consultations with an emphasis on multiple dog households as well as aggression cases. She owns Pawsitive Reactions, LLC in Pittsburgh, PAs and is certified in behavior through the International Association of Animal Behavior Consultants.

Tom Candy is a Senior Training and Behaviour Advisor for one of the largest dog rehoming organisations in the United Kingdom and is also a behaviour and welfare Trustee for Hope Rescue Wales. His duties include assessment, management and behaviour modification.

A passion for animal welfare and training led Tom to undertake a BSc (Hons) in bio-veterinary science, and an MSc in clinical animal behaviour from the University of Lincoln, UK.

Having started volunteering in rescue at the age of 15, Tom has been involved in a variety of aspects of rescue, including fundraising, home checks, transporting, and general day-to-day activities.

An international speaker, Tom is Clinical Animal Behaviourist with the Animal Behaviour and Training Council, and a Certified Dog Behavior Consultant, a Certified Shelter behaviour specialist with the IAABC, a Certified Behavior Adjustment Training Instructor - Knowledge Assessed (CBATI-KA), and a full member of the APBC. He is the host of Simplifying Shelter Behaviour Podcast available on Spotify.