Joan Wills

Chief Engineer and Program Leader, Cummins Inc.


Joan Wills is the Cummins Power Systems Technical Executive Director leading development and support of power systems and reciprocating engine systems including both diesel and natural gas fuel options. These products are used in distributed power generation, commercial marine, oil and gas, mining and rail markets globally. Wills is also responsible for technical site leadership for UK and Charleston, US-based power systems technical centers. Starting from 2014, she was Chief Engineer and Program Leader developing Cummins high-horsepower engines to meet North America Tier4 emission regulations. Prior to that, Wills led technology strategy and planning for Cummins and worked with global technical and business leaders to set long-term technical investment direction linked to market and product roadmaps. Her early career experience is in developing control and diagnostic systems for diesel and natural gas engines. She has a career track record of putting together diverse, relevant experts to solve complex energy and engine-related issues plus a passion for clean energy and energy access issues. She holds 19 US patents for her work in diesel engine controls and diagnostics. She currently serves as invited Ambassador for the US Department of Energy C3E (Women in Clean Energy) initiative and is a member of the World Economic Forum Global Futures Council on Energy along with being an active member of SWE, IEEE and SAE.  She holds an MSEE from The Ohio State Center for Automotive Research, a Strategy & Innovation certificate from MIT Sloan and a BSEE from the University of Dayton Ohio.