Joseph "Sefi" Genis, aged 30, a prominent figure in the high-tech industry, lost his life in a heroic attempt to stop a terrorist attack during the Nova festival. During the attack, Sefi acted with remarkable bravery by charging at the armed terrorist, despite being unarmed himself. His actions, while tragically leading to his death, likely prevented further harm to others nearby. Sefi's selflessness and courage in the face of extreme danger exemplify the best qualities of humanity. His loss is deeply felt within the tech community and beyond as we remember and honor his valiant spirit.