Billionaire Petr Kellner

Billionaire Petr Kellner

Jirasek Vaclav/CTK/PPF via Bloomberg

The takeover by Petr Kellner, the richest man in the Czech Republic with a net worth of $11.2 billion according to the Bloomberg Billionaires Index, adds to investments that include retailer Eldorado, gold and silver miner Polymetal International Plc and finance company Home Credit Group.