Ellen Williams served as Director of the US Department of Energy's ARPA-E (Advanced Research Projects Agency–Energy) from December 2014 until January 2017. Nature Energy caught up with her shortly before the end of her tenure to learn more about the agency's role in energy technology innovation.
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Dean, N. Funding the future. Nat Energy 2, 17025 (2017). https://doi.org/10.1038/nenergy.2017.25
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DOI: https://doi.org/10.1038/nenergy.2017.25