Jake Bernstein was a business reporter for ProPublica.The Panama Papers data reveals only the tip of Soros' offshore iceberg, the Quantum Group of Funds. His Open Society Institute is one of ICIJ’s main funders, granting it $1.5 million last year.The leaks were obtained by German newspaper Süddeutsche Zeitung and shared with the International Consortium of Investigative Journalists and a network of more than 380 journalists in 67 countries.