Peter Zelinski is a writer who is most widely known for his work related to manufacturing, with particular emphasis on the technology of manufacturing and the impact of its advance. He is a leader of two major publications covering manufacturing technology, Additive Manufacturing, about the advance of 3D printing for industrial production, and Modern Machine Shop, about CNC machining. He is the co-host of a YouTube series on how 3D printing is changing manufacturing, The Cool Parts Show. He is a podcaster, heard on AM Radio, the additive manufacturing podcast, and Made in the USA, about major themes in U.S. manufacturing. In his free time, he is a writer as well: the author of several books, including some on Christian belief. His latest longform work is Ariel, an e-book about our solar system. Pete grew up in Mansfield, Ohio. He graduated from the University of Cincinnati with a degree in mechanical engineering, and he lives in Cincinnati, Ohio, with his wife Kaye and their two daughters. For a more detailed bio on his work in manufacturing, see his speaker profile.