Lisa Guay is a AAAS Science & Technology Policy Fellow in the Bioenergy Technologies Office at the U.S. Department of Energy. During her two-year fellowship, she has focused on decarbonization of hydrocarbon chemicals and marine fuels and has supported DOE’s response to the Bioeconomy Executive Order. Prior to the fellowship, she developed and scaled up specialty materials products at Corning Incorporated. Before that, she developed sustainable diesel and marine fuels at ExxonMobil. Lisa earned a Ph.D. in Chemical Engineering from the Massachusetts Institute of Technology, where her doctoral research focused on producing renewable chemicals from biomass using microbial fermentation. Lisa also holds a B.S. in Chemical Engineering and a B.A. in Economics from the University of Arizona.