Wagner mercenary chief Yevgeny Prigozhin in Rostov-on-Don, Russia, June 24, 2023. A longtime associate of Putin, Yevgeny Prigozhin is an ex-felon, owner of a hot-dog vend and fancy restaurants. He later provided catering and utility services to the Russian military, earning him the nickname 'Putin's chef'. Prigozhin owns the Wagner Group, a Kremlin-allied mercenary force that is central to Russian influence in trouble spots worldwide.