Dimopoulos Christos has been practicing karate for the last 20 years, teaching that it is a way of life. Christos sensei's motto is that in addition to students, we make fighters. Concentration exercises with closed eyes, choreography after music and coordination exercises are students' favorites. He teaches astrophysics to older students and enjoys watching his students open their mouths to the wonderful world of the universe. Humor is characteristic in his communication with young and old, and discipline and focus are favorite features of his courses. He has a passion for the connection between Cosmology and Theology.