Riley Duren is Chief Executive Officer for Carbon Mapper and a Research Scientist at the University of Arizona. He maintains a joint appointment as an Engineering Fellow at NASA’s Jet Propulsion Laboratory where he supports other earth science programs. From 2008-2019 he served as Chief Systems Engineer for the JPL’s Earth Science & Technology Directorate with a portfolio including spaceborne instruments and missions, airborne studies, research and analysis, and applied science. He served as Chief Engineer for the Kepler mission that conducted a major survey of earth-size planets around other stars. Since 2008 he has worked to extend the discipline of systems engineering to the challenge of societal decision-making for climate change responses with a focus on greenhouse gas mitigation. He is currently Principal Investigator on two NASA funded research projects focused on multi-scale methane and CO2 monitoring and has led previous projects on the same topic for NASA, CARB, and the National Institute of Standards and Technology.