Gaby Immerman earned a bachelor's degree from Sarah Lawrence College and a certificate in horticulture from the Brooklyn Botanic Garden. In addition to offering the Smith horticulture classes, Immerman runs the summer internship program for the Smith College Botanic Garden. She is one of the co-moderators of the Mill River Greenway Initiative and serves on the board of Grow Food Northampton, two local organizations that offer students many opportunities for community-based learning.