Dan Burstein is an award-winning journalist and best-selling author of six prior books on subjects ranging from China and Japan to the digital technology revolution. He is founder of Millennium Technology Ventures, a New York-based venture capital form that invests in innovative companies.
Arne de Keijzer together with Dan Burstein created the Secrets series of books and co-edited SECRETS OF MARY MAGDALENE with him.
John-Henri Holmberg is a Swdish author, translator and editor.
He knew Stieg Larsson for thirty years and wrote THE TATTOOED GIRL: THE ENIGMA OF STIEG LARSSON AND THE SECRETS BEHIND THE MOST COMPELLING THRILLERS OF OUR TIME in collaboration with Dan Bursteing and Arne De Keijzer.