John Hadley

John Hadley serves as a Regulatory Senior Staff Engineer at Energizer Holdings since January 2019, providing global regulatory support for battery and lighting products while chairing the IEC TC 35 technical committee for primary battery standards. Prior experience includes roles as Alkaline Battery Technology Director and Director of Battery Development at Spectrum Brands, Inc. (2012 - Present) and Rayovac (1992 - 2011), and earlier positions at Shape Corporation, AVX, and Rayovac, where responsibilities ranged from quality management to project engineering, with a focus on product development and quality engineering methods. John Hadley holds a BS in Chemistry, Biology, and Statistics from Ursinus College and has studied at the University of Wisconsin-Madison.