John Palmer is the best-selling author of How to Brew, and the co-author of Brewing Classic Styles. He is also the co-host the popular brewing podcast, Brew Strong. John is a metallurgical engineer by trade, and is intrigued by the processes of brewing from an engineer's point of view, including malting, mashing, water chemistry, lautering, clarity, color, and foam retention. John was born in Midland, MI and currently resides in California.

Colin Kaminski's brewing career started as the product designer at Beer, Beer and More Beer, designing more than 180 products including the Peltier cooled conical fermentor. Colin has written on a variety of topics including lutherie, holography, solar astronomy and beer. He has been the Master Brewer at Downtown Joe's Brewery since 2003. Colin resides in California