A Catholic monsignor and a social worker, Msgr. Vitillo has been promoting HIV/AIDS education and initiating programs in developing countries for nearly 20 years. Currently, he is a special advisor on HIV/AIDS issues to Caritas Internationalis, a confederation of 162 Catholic relief, development and social service organizations.
During his involvement with Global Community Service Foundation Msgr. Vitillo has designed community-based projects focused on providing education and medical care services that have benefit HIV-affected children.