John Hadley

John Hadley is a Senior Staff Technology Engineer at Energizer Holdings, where they provide global regulatory support for batteries and lighting products. With a background in quality and reliability engineering, John previously held the title of Quality Manager at Shape Corporation and served in various engineering roles at AVX and Rayovac. They are also the Chair of IEC TC 35, a technical committee focused on primary battery standards. John has extensive educational credentials, holding a BS in Chemistry, Biology, and Statistics from Ursinus College and currently pursuing a degree in Chemical Engineering from the University of Wisconsin-Madison.