FACTBOX-Russia's top officials: Who does what?

MOSCOW, May 12 (Reuters) - Russian President Dmitry Medvedev appointed key Kremlin advisers and government ministers on Monday after consultations with Prime Minister Vladimir Putin.

Following are brief descriptions of the figures named so far to key Kremlin and government posts: KREMLIN CHIEF OF STAFF - Sergei Naryshkin Age: 53 Born in Leningrad (now St Petersburg). Educated as an engineer and radio mechanic before studying economics. Worked as economic adviser to the Soviet embassy in Belgium in the 1980s and later in the St Petersburg mayor's office. Deputy chairman of state oil giant Rosneft and chairman of Channel One state television. Chief of government staff since 2004. Speaks English and French. Some Russian and international reports have linked him to the KGB but this has never been officially confirmed. FIRST DEPUTY PRIME MINISTERS: - Viktor Zubkov Age: 66 A former Soviet collective farm boss, Zubkov served as Putin's last prime minister. A close Putin associate, Zubkov is on the list of candidates to chair Gazprom (GAZP.MM: Quote, Profile, Research), Russia's state-controlled gas giant. - Igor Shuvalov Age: 41 A lawyer by education, Shuvalov is a former government chief of staff who worked as the top Kremlin economic adviser to Putin from 2003. He was Russia's sherpa to the Group of Eight industrialised nations. GOVERNMENT CHIEF OF STAFF - Sergei Sobyanin Also Deputy Prime Minister Age: 49 Worked as Putin's Kremlin chief of staff since 2005. Educated as a lawyer, Sobyanin was governor of the Tyumen region, one of Russia's richest oil-producing areas, before being made chief of staff by Putin. Known for his ability to find compromises between Russia's powerful oil barons and keep governors in order. He headed Medvedev's election campaign. FINANCE MINISTER - Alexei Kudrin Also Deputy Prime Minister Age: 47 Kudrin worked as Russia's finance minister from May 2000. He has turned around Russia's finances, balancing the budget after the chaos of the 1990s and defending windfall oil revenues from elements in the government who want to spend the cash. He has become the darling of emerging market bond investors for supporting market reforms and tight fiscal policies. Helped Putin land his first job in the Kremlin. DEPUTY PRIME MINISTERS: - Sergei Sobyanin (see above) - Alexei Kudrin (see above)

- Igor Sechin Age: 47 Kremlin joint deputy chief of staff since 2000. One of Putin's closest advisers since his days in St Petersburg. Chairman of state-controlled oil giant Rosneft (ROSN.MM: Quote, Profile, Research). Often reported to have a security service past, though this has never been officially confirmed. Considered the informal head of the Kremlin hardliners' camp. - Sergei Ivanov Age: 55 Worked as first deputy prime minister in the previous government. Was considered one of the two front-runners to succeed Putin as president. A former Soviet career spy who was posted to top posts in Europe and Africa. Very close ties with Putin. Influence over security services, defence and arms industry. Has clashed with Sechin in the past. - Alexander Zhukov Age: 51 A respected former parliamentarian, Zhukov is an economist who was named a first deputy prime minister in 2003. A year later he was named deputy prime minister. He is in charge of Russian preparations for the 2014 Winter Olympics in Sochi. FEDERAL SECURITY SERVICE CHIEF - Alexander Bortnikov Age: 56 The FSB is the main successor to the Soviet KGB and wields immense influence in Russia. Bortnikov was appointed head of the FSB's economic security department in 2004 and then became deputy FSB chief. Previously he was head of the FSB in St Petersburg. SECURITY COUNCIL SECRETARY - Nikolai Patrushev Age: 56 Headed the Federal Security Service under Putin since 1999. Patrushev has close ties with Putin, a former KGB spy, and with Sechin. Another key member of the hardline camp. FOREIGN MINISTER - Sergei Lavrov Age: 58 A career diplomat, Lavrov has served as Russia's foreign minister throughout Vladimir Putin's second term as president, since March 2004. Lavrov has closely echoed in public Putin's assertive comments towards the west on issues like NATO enlargement and independence for Kosovo. OTHER MINISTERS: Anatoly Serdyukov, Defence Minister (re-appointed) Viktor Khristenko, Industry and Trade Minister (previously Energy and Industries Minister) Sergei Shmatko, Energy Minister Elvira Nabiullina, Economy Minister (re-appointed) Alexander Konovalov, Justice Minister Alexei Gordeyev, Agriculture Minister (re-appointed) Igor Shchyogolev, Communications Minister Dmitry Kozak, Regional Development Minister (re-appointed) Rashid Nurgaliyev, Interior Minister (re-appointed) Andrei Fursenko, Education Minister (re-appointed) Yury Trutnev, Natural Resources Minister (re-appointed) Sergei Shoigu, Emergency Situations Minister (re-appointed) Tatyana Golikova, Health Minister (re-appointed) Igor Levitin, Transport Minister (re-appointed) Alexander Avdeyev, Culture Minister Vitaly Mutko, Minister of Sport, Youth and Tourism (Writing by Guy Faulconbridge and Simon Shuster; Editing by Richard Balmforth)