Ellen D. Jorgensen (born 2 June 1955) is a New York-based molecular biologist leading the do-it-yourself biology movement. She works to increase scientific literacy in the general population, particularly in the fields of molecular and synthetic biology. She is a co-founder of both Biotech Without Borders and Genspace. In 2017, Ellen Jorgensen was named one of the Most Creative Leaders in Business by Fast Company.