Andrey Grigoryevich Guryev is a Russian billionaire businessman. He is the former head of PhosAgro, one of the world's four largest producers of phosphate-based fertilizers. As of March 2022, his net worth is estimated at US$4.8 billion.

Vladimir Stefanovich Litvinenko is a Russian academic, businessman and Vladimir Putin's campaign manager. He is also rector of Saint Petersburg Mining University in St. Petersburg.