Filip started his fitness journey by completing three specialized certificates from ISSA: Personal Trainer, Nutritionist, and Strength & Conditioning, which brought him ISSA Elite status. His multi-year experience working in the gym is enriched by hands-on experiences gained through internships at renowned tennis academies - JC Ferrero Equelite in Spain and Tipsarevic Academy in Serbia. He uses the knowledge gained through studies, internships, and workshops to tailor his workout plans and fitness articles to the unique requirements of each individual.