Mr. Komarov on 15 April left for vacation and will not return, a company representative told RIA Novosti. Reportedly, the work contract of Mr. Komarov ran out this spring. Yury Komarov has headed the SDAG since 2009, Oilru.com reports. He earlier worked for the Gazprom subsidiaries Sevmorneftegaz and Gazeksport The Shtokman Development Company was established in early 2008 by project partners Gazprom, Total and Statoil in 2009.