Y inon Costica is an Israeli technology entrepreneur who is a co-founder of the cybersecurity unicorn, Wiz. The company has achieved a spectacular and record-breaking rise to become one of the most valuable private cybersecurity companies in the world. He and his partners are all veterans of the Israeli military's elite Unit 8200, which is a famous breeding ground for cybersecurity talent. Before Wiz, the same founding team had created another successful cloud security company, Adallom, which they sold to Microsoft for a large sum.

In 2020, they founded Wiz with a focus on cloud security posture management, helping large companies to identify and fix security risks in their cloud computing environments. The company's agentless and easy-to-use platform has been a massive hit with customers, and the company has grown at an unprecedented pace, reaching a multi-billion dollar valuation in a record amount of time. His founding stake in the highly valued private company is the source of his billion-dollar fortune.