David Isaac Ruiz A. (April 14, 1981.) He is a social communicator, writer and screenwriter. He has worked in various professional positions in the state and private companies. He published stories and poetry for the first time in the collective book "Telling is no game", 2007, along with other new authors graduated from the Diploma of Literary Creation taught by the writer Enrique Jaramillo Levi at the Technological University. Its first publication under the independent label Promonet Publishing in genre fiction is "Fernand and the Castle of the Magic Egg", 2019, novel of fantastic historical genre. During his life Ruiz has also dabbled in the development of film projects such as the animated feature film "Aventure in Tierra Firme: The Silver Waca", which was awarded as a finalist at the Panama Film Lab 2013, and he is coauthor of the script adapted for the feature film of the homonymous novel "Women´s scaping" by the Panamanian writer Rose Marie Tapia, 2015. Another of the digital books published with the collaboration of aesthetic professionals is "Esthetician’s Guide: Introduction and practice for Spa and esthetic clinics". Which is focused on the most proven health and beauty therapies and treatments currently available, also he published "Multimedia Production Manual "for the Latin American audiovisual industry.