This was Roger's first experience of the European Catholic approach religious congregation devoted specifically to foreign mission work.

Having only been exposed to Protestant missionary attitudes at Smith College, Rogers had patterned the Teresians on that model: active, practical, and pious.

[7] They work in a variety of fields including medicine, communications, education, agriculture, social services and spiritual formation.

In North Carolina they operate Helping Hand Developmental Center for pre-schoolers,[8] and St. Gerard House for people affected by autism.

As of 2021, a portion of the six acre site has been put to use by a local non-profit to start a tree-nursery and community garden.

[12] In 2012 the Maryknoll Sisters set aside 42 acres of their 67-acre campus in Ossining, New York as a conservation easement which includes both native woodlands and wetlands.