This document contains introductions from two students, Luz Maria Catalina Mejia Lara and Raul Hernan Aponte, for an English course. Catalina introduces herself, providing her name, where she lives, her program of study, and contact information. She expresses her expectations to strengthen her English knowledge. Raul also introduces himself, giving his name, where he was born and currently lives, his place of work, and program of study. He explains the importance of English for his studies and shares his daily practice to improve. The document ends with a bibliography section.