After graduating form High school in 1984, Marin went on to Junior college where he studied Medicine there. He had a strong aspiration to become one of the well-known Doctors in Belize. Marin often study late until the night just to ace his exams in High school. Due to his stellar work in his Junior college and his brilliant attitude towards learning, Marin was appointed as a Student Councillor in 1986 and quickly rose up the ranks to become member of the Student Council Executive Committee (EXCO) serving as it’s President in 1987. Marin chaired several students in Medicine as well.