She is a Senior Scientist in the Bioscience Division at Los Alamos National Laboratory (LANL) and LANL Biofuels Program Manager. She is a cell biologist and has 30+years of experience in finding innovative solutions in the biosciences. Marrone is Senior Technologist in Residence, partnered with Procter & Gamble, in the DOE’s Office of Energy Efficiency and Renewable Energy (EERE) Technologist in Residence Pilot Program, with a focus on sustainable manufacturing. Marrone participates in several R&D projects sponsored by the DOE-EERE Bioenergy Technologies Office (BETO). She previously led the Ultrasonic Harvesting and Extraction project for the National Alliance for Advanced Biofuels and Bioproducts (NAABB), a large algae biofuels and bioproducts consortium of over 30 institutions sponsored by DOE-EERE-BETO, from 2010-2013; was the Director and PI of the NIH-sponsored National Flow Cytometry Resource from 2009-2014; and has led projects sponsored by NIH, DOE-BER, DHS, and the FBI.