Ioannis has loved martial arts and sports since childhood. As a teenager, he practised taekwondo for four consecutive years.

He began training in Krav Maga at Guerrilla in 2019 and continues to practise there. Through regular training, he earned the Graduate Diploma Level 1 and his Guerrilla Partner instructor certification. He has attended various Krav Maga seminars and continues to train under Guerrilla head instructor Panagiotis Zacharios (Expert Level 3).

He speaks English, including martial arts terminology. In his free time, he enjoys calisthenics, strength training and swimming.

Certifications: Level 1 Partner (Guerrilla Tactical Strength) and Graduate 1 (Krav Maga Guerrilla).