This is a partner podcast episode, brought to you by South32. Pat Risner spent 25 years as an engineer, general manager, and executive at one of the largest mining companies in the world, BHP. Today, he’s the president of the Hermosa Project, a mining development in Arizona run by the global mining firm, South32. That mine is the only advanced project in America that could produce manganese and zinc – two critical minerals that are essential to batteries and renewables.