The TIAA-CREF Short Duration Impact Bond Fund (TSDBX) is a mutual fund that focuses on investing in short-term bonds with the goal of generating positive social and environmental impact. This retail class fund is managed by TIAA-CREF, a leading financial services organization, and aims to provide investors with a socially responsible investment option while also seeking competitive returns. With a focus on short-term bonds, this fund may offer lower risk and volatility compared to longer-term bond funds.