SQZ Biotech is a developer of a cell engineering technology designed to deliver a diverse set of materials into patient cells. Founded by Armon Sharei, Klavs Jensen, and Robert Langer in 2013, SQZ Biotech is backed by investors that include GV, Illumina Ventures, Invus, JDRF T1D Fund, NanoDimension, Polaris Partners, and Temasek Holdings and is headquartered in Watertown.