Chalerm and his wife have both been mentioned in connection with the Panama Papers, owning five multi-million-dollar properties in London, via Karnforth Investments which is incorporated in the British Virgin Islands. Their holdings in Red Bull are owned through a complex web of British Virgin Islands companies including Karnforth, Jerrard Company Ltd, and JK Fly. Mossack Fonseca's auditors raised concerns about the arrangements in 2010 and 2013.