Kostas took up swimming at the age of five and swam for four years. He then played football for eight years.

He went on to study civil engineering and gained a teaching qualification by taking courses in education. He discovered Krav Maga during his studies and was drawn to it immediately.

He trained intensively for three years with Panos Zacharios and graduated from Guerrilla’s instructor course. With his instructor’s ongoing guidance and supervision, he earned his Graduate 1 certification.

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