His family is Syrian - Lebanese made up of his parents and 12 siblings, who in search of a better future in the mid 50's decided to emigrate to Colombia.
Upon arrival, they changed their surnames to "Rujana Perdomo" and continued with their high school studies at the technical college.
Before finishing his university studies, he was contacted by the DT of Millonarios of that time Gabriel Ochoa Uribe who, seeing that he was an outstanding student in all sports, decided to give him the opportunity to prove himself with the ambassador team, with whom he only played 1 professional game in the six months he was there in the position of right pointer.
For the 2001, he returns to Colombia, where becomes manager of Real Cartagena, and the next year is hired by Unión Atlético Maracaibo of Venezuela.
Rujana is a graduate of the South Colombian University, where he studied Licenciatura en Educación Básica, con énfasis en Educación Física, Recreación y Deportes (Bachelor of Primary Education with emphasis on Physical Education, Recreation and Sports).