Originally a medical doctor in the US Air Force, D'Agostino joined the Jesuits early in his career, focused on psychiatry, and held various teaching positions.

This is "a community-based outreach program providing services to HIV+ children and their families in the Kangemi, Waithaka, Kawangware, Riruta, Mutuini, Ruthimitu, Kibera and Kariobangi communities of Nairobi, Kenya.

[citation needed] Based on past success, a related effort called Nyumbani Village was spawned to support both orphans and elders impacted by the AIDS pandemic.

[4] Located on 1,000 acres (4.0 km2) donated by the Kitui District County Council, Nyumbani Village is conceived to support between 1280 and 1600 individuals via a self-sustaining agricultural based venture.

[2] In September 2016, actress Danai Gurira presented a video about the village and the work being done in Africa as part of the 2016 Global Citizen Festival in New York City[5][6] and BBC has covered its learning curve in the use of drugs.