Allan Pease FRSA, born in 1952 in Australia, is a renowned expert in body language and has co-authored fifteen books. Together with his wife Barbara, they have authored 18 bestsellers—including 10 that reached number one—and have conducted seminars across 70 countries. Their books have achieved bestseller status in over 100 countries, are translated into 55 languages, and have sold more than 27 million copies. Frequently featured in the global media, their work has inspired 11 television series, four stage plays, a top-grossing movie, and a TV series, collectively attracting an audience exceeding 100 million.