Karen Butterfield

Chief Commercial Officer
Stem, Inc.

As Chief Commercial Officer, Karen is responsible for building and leading Stem’s commercial enterprise, including: strategy, policy, sales, marketing and product management.  Her team at Stem has successfully deployed a large fleet of customer-sited storage with software and analytics that serve both commercial customers at the site and electric utilities and wholesale markets.   Prior to joining Stem, she was a Managing Director in the commercial systems group at SunPower.  Her teams successfully deployed large PV systems on DOD, DOE and VA facilities throughout the United States. Additionally, Karen led the key account efforts at SunPower with responsibility for Apple, Verizon, Macy’s and other Fortune 500 customers. Karen has consulted in utility-scale energy programs and spent 10 years at Honeywell Grid Solutions designing and delivering energy efficiency, demand response and smart metering programs.  She currently sits on the board of directors of the Energy Storage Association ESA and the SmartElectric Power Alliance (SEPA). Karen graduated from Bowdoin College with a BA in economics.

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