Sinisa was born in Croatia in 1967 and has 36 years of practice in fitness and bodybuilding. He gained his professional experience in Croatia, but also in Europe and the United Arab Emirates (Dubai), where he worked professionally for a long time. He was a lecturer at the Fitness Academy in Croatia, which earned him the title of Master Fitness Trainer. He has more than 10 years of experience in the medical fitness field. He is also a member of ‘EU REPS’ and ‘UAE REPS’.