Alina Peretti graduated from Wroclaw University in Poland and trained as an architect, working in Senegal, England, France and Switzerland. She later became a tour guide, taking visitors all over the world, including to Auschwitz, but never went through the gates herself. She now lives in London with her husband Peter.

After graduating from The London School of Economics, Jacques Peretti became an investigative journalist. His award winning television series include The Men Who Made Us Fat, The Super Rich and Us, and Trillion Pound Island. His first book The Deals That Made The World is now a paperback, and his podcast series Edge of Reality available as an audible original.