-  Aleksandra Szywała 
 zoopsychologist. I have been working in a Vet clinic “Radość” in Warsaw since 2003. I graduated from the Faculty of Zoology then I got a doctorate degree and in 2004 I got a diploma of postgraduate studies at the Institute of Social Psychology in the field of “Behaviour of animals: basic and application problems. I participate in courses on perturbations of behavior of dogs and cats to improve and develop my knowledge.


-  Małgorzata i Kamil Kędziorek 
“Baritus”, Dog Training Baritus School was founded in 1998 by Kamil Kędziorek. He works together with his wife Małgorzata Kędziorek and assistents. They all have long experience working with animals.