January 12 - 14, 2021 | Long Beach, CA

William R. Sproull

William R. Sproull

Business Development - ESS Inc.

Biography

Bill Sproull has been focused on business development for ESS, and its all-iron flow battery energy storage systems, since 2014. Having held executive roles and founded startups in both high tech and emerging clean energy spaces for the last 25 years, Bill’s passion centers on bringing disruptive technologies to markets where gaps exist. Prior to ESS, he founded Strategic Energy Advisors, a project development firm focused on solar, storage and energy-efficient lighting for commercial facilities. Bill was a founder and business development executive at ClearEdge Power, building it to become a leader in the stationary fuel cell space. Prior to entering the clean energy industry in 2003, he was an executive at Planar Systems, Inc., responsible for its Industrial Business Unit for custom display solutions. Bill started his career at Honeywell Inc., serving in various roles in sales, marketing, finance and business unit management in its Aerospace Group. He is a graduate of the University of Colorado, with a B.S. degree in Finance.

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