Russian search engine Yandex has nominated state-run Sberbank CEO German Gref as a new non-executive board member, the company said on Tuesday, suggesting he could help protect its interests amid fears of a crackdown on the internet. Gref, a former economy minister credited with wrenching Russias biggest bank out of the Soviet era, is being nominated for a three-year term staring on May 21, the day of the annual shareholders meeting, Yandex said in a statement. Yandex is developing fast, and German Grefs knowledge and experience of successful management of one of Russias biggest companies would serve us well, the press service of Yandex, which is Russias most popular search engine, said in what it called an official commentary.