Grameen Research Inc. (GR) is a not-for-profit organization with a mission to provide research, health care services, training and other support in the field of microfinance. Grameen PrimaCare Boston (GPCB) is a project of GR that was established to improve the health and well being of low income families served by sister microfinance organization Grameen America (GA) in the Boston area. Besides that GA supports Yunus Social Business (YSB) a philanthropic venture fund that supports early stage social businesses in developing economies to solve some of humanity's most pressing problems such as structural poverty, unemployment and clean drinking water.