In the context of the input sentence, determine the relationship between 'Rosneft' and 'Igor Sechin'.
Options: distribution format, location of formation, creator, chief executive officer

Rosneft Chief Executive Igor Sechin on Friday said that Russia can increase oil production up to 700 million tonnes per year (14 million barrels per day) and export 300 billion cubic metres of gas to China a year.
chief executive officer