Leonid Viktorovich Mikhelson is a Russian billionaire businessman, CEO, chairman and major shareholder of the Russian gas company Novatek. According to Forbes, his personal fortune was estimated at US$26.9 billion as of 2019.
- Leonid Mikhelson is the founder and chairman of natural gas producer Novatek.
- In 2017 he bought a 17% stake in petrochemical company Sibur from Kirill Shamalov, Putin’s reported former son-in-law, increasing his stake to 48%.
- His partner in both Novatek and Sibur is Gennady Timchenko, a billionaire who is said to have close ties to President Vladimir Putin.