Ilya Segalovich is one of Yandex's co-founders and has been Chief Technology Officer and a director since 2000. He began his career working on information retrieval technologies in 1990 at Arkadia Company, where he headed Arkadia’s software team. From 1993 to 2000, he led the retrieval systems department for CompTek International. In 2000 Ilya Segalovich left CompTek International to become the CTO of Yandex. IIya helped create the National Corpus of Russian Language (Ruscorpora) and ROMIP, the Russian Information Retrieval Evaluation Seminar. He also co-founded and supports Maria's Children Art Rehabilitation Center for orphans and children with special needs. Mr. Segalovich received a degree in geophysics from the S. Ordzhonikidze Moscow Geologic Exploration Institute.