20. Pavel Durov
Worth: $15.1 billion
Overall ranking: #123 – tied with Scott Farquhar
Cofounder and owner of messaging app Telegram, Pavel Durov’s firm has more than 600 million users worldwide – and its prominence has increased since the outbreak of the Russian-Ukrainian war earlier this year. Durov’s net worth fell by $2.1 billion in the past year, knocking his ranking down from No. 112 in 2021 to No. 123 in 2022.