 Nebres served as the Ateneo's university president for more than 18 years.His term was extended for him to lead the Ateneo through the completion of key initiatives as well as its sesquicentennial celebration, and was again extended until June 1, 2011, after which he was succeeded by Jose Ramon Villarin as the Ateneo's university president.Since his return to the Philippines in 1970 after graduate studies abroad, Nebres has worked on three major areas