Russia's natural gas giant Gazprom may slash staff numbers as it faces dwindling revenues amid sanctions imposed following President Vladimir Putin's invasion of Ukraine. -snip- In December, Elena Ilyukhina, a deputy chair of Gazprom's management committee, sent a proposal to CEO Alexey Miller to reduce staff from 4,100 to 2,500 at the firms' central office and St. Petersburg branch, according to the 47news telegram channel. On Monday, the outlet posted an image of the document, in which Ilyukhina described the challenges Gazprom faced. In a call for "cost optimization at all levels of management," she said the company needed to...