Guillermo Ferrara is a writer and researcher of ancient civilizations and cultures. An expert in Eastern philosophy, mysticism, and relevant scientific and spiritual systems, Ferrara has authored nineteen books on personal growth that have been translated into German, French, Chinese, English, Greek, Romanian, and Serbian. He lectures and gives workshops around the world about brain and DNA activation, crystals, yoga, and meditation. He works as a columnist and contributor for several TV and radio programs, as well as print media, and he was the founder and editor of Terapias Naturales. Once a professional basketball player in his native Argentina, Ferrara has traveled throughout Mexico, Spain, Colombia, Germany, London, Greece, Argentina, and several US cities to conduct research for Adam’s Secret.