Yandex appoints CFO Shulgin as COO, Greg Abovsky promoted to CFO Yandex announced changes in its senior management team. Alexander Shulgin, currently the group's CFO, has been appointed COO of Yandex's Russian business, effective September 1. In his new role, Shulgin will be the principal executive in charge of operations of Yandex's Russian business. Greg Abovsky will be promoted to CFO to replace Shulgin, also effective September 1. Abovsky joined Yandex as its vice president of Investor Relations in January 2013 and took on the additional role of VP of Corporate Development in October 2013.