* Greg Abovsky has been appointed Chief Operating Officer of Yandex, effective Dec. 1, 2017.
* Abovsky will succeed Alexander Shulgin, current COO, who has decided to leave the company.
* Abovsky will continue acting in his current role as the company’s Chief Financial Officer.
* Arkady Volozh will remain Chief Executive Officer of Yandex N.V.
Source text for Eikon: Further company coverage: (Reporting by Moscow Newsroom)