MARCO GUIMARÃES was born in Rio de Janeiro, Brazil, and also has Portuguese nationality. After studying Astronomy, Veterinary Medicine, Physics and Physiotherapy, he became a PhD in the Medicine area. His professional life was devoted to scientific research and teaching in public universities. He also published some books in his expertise area. However, in the last 12 years he has been writing chronicles for a health specialized magazine and novels. He wrote 6 novels published in France, Croatia, Angola and Brazil.