Tammy is the founder and CEO of Xena Therapies, a Class 1 medical device company. Prior to founding Xena Therapies, Lee served as President and CEO of Recombinetics, a platform technology company for gene-editing, where she successfully raised a $34 million Series A round. Before that, Lee held senior executive positions in large, complex, multinational businesses including Carlson Companies, Delta Air Lines, Northwest Airlines, and Sun Country Airlines. Lee was named to Twin Cities Business Magazine's Top 100 People to Know in 2018. She is a member of the Women Presidents Organization, Minnesota Women’s Economic Roundtable, and Women’s Forum of MN. She is a past winner of a 40 under 40 award. Lee received her MBA from the University of St. Thomas in St. Paul, MN. and serves on the Board of Regents for her alma mater, Concordia College.