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Professor Julian Karabiberov, PhD, is a former teacher at Vasil Levski National Academy of Sciences and Bio Fit Sports College. He has 35 years of experience in fitness and professional sports, such as conditioning coach of the national teams of Bulgaria in basketball, volleyball, etc.







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Online store for fitness equipment

Fitness and SPA complex
JK Fitness & Wellness
Gym Nautilus

Bulgarian copyright
training system
JK Fit Motion

Sports complex “Bio Fit”

JK Fit Motion


“JK Fit Motion Training Nutrition System” was created by Prof. Dr. Julian Karabiberov. It is the first fitness concept, based on classical scientific methods and principles.

For sportsmen For competitors For instructors

Exercises Concept and training Get started now


by athletes and competitors

Mr. Rector of the National Sports Academy “Vasil Levski” Prof. Pencho Geshev, Ph.D.,

With this letter we would like to thank the National Sports Academy “Vasil Levski” and in particular Assoc. Julian Karabiberov, for the longtime collaboration in the filed of physical training and testing athletes of our volleyball club “Trentino-Vollet” (Trento Alto Adige Italy).
The Developed by Mr. Karabiberov system for conditioning training, helped us to achieve high results and wining European and world title.
We hope our cooperation will continue in the future.

National Sports Academy “Vasil Levski”, Rector Prof. Nikolay Izov PhD
The management of BluVolley Verona is extremely grateful to the National Sports Academy “Vasil Levski” in Sofia for the collaboration in the Pre-Season 2019/2020 with the help og Assoc. Prof. Youlian Karabiberov, PhD
BluVolley with great satisfaction confirms that the work program “Fit Motion” developed by Assoc. Prof. Karabiberov for high level athles has demonstrated the important connection between theory and practice.
Recognizing the result obtained in collaboration with the National Academy of Sport “Vasil Levski” and Assoc. Prof. Karabiberov, BluVolley hopes in the next future to continue to develop new innovative projects together.
Best regards.