[6][7] He graduated from Republican School of Physics and Mathematics in Almaty, Kazakhstan,[8] and then from Moscow Geological Prospecting Institute.

[9] He began his career working on information retrieval technologies in 1990 at Arkadia Company, where he headed their software team.

On 25 July 2013, Yandex issued a press release stating that Segalovich had died after a long illness.

[14] It later turned out that this estimation was overstated: a report by Yandex's showed that Segalovich owned 2.9% of the company, which equated to $US233 million.

[15] During the company's IPO, Segalovich sold part of his stake for $US20.5 million, later explaining it as an investment in charity.