John Palmer is one of the most recognized names in homebrewing today. The author of three books and countless articles, he enjoys applying practical engineering know-how to the art and science of brewing beer. Through his bestselling Brewers Publications title, How to Brew: Everything You Need to Know to Brew Great Beer Every Time, John has helped hundreds of thousands of readers learn to successfully brew their own beer at home.

Palmer co-authored two other books on brewing: Brewing Classic Styles: 80 Winning Recipes Anyone Can Brew with homebrewing legend and Heretic Brewing Company founder Jamil Zainasheff and Water: A Comprehensive Guide for Brewers, the definitive guide to water chemistry for brewing with Colin Kaminski, former brewmaster at Napa's Downtown Joe's Brewery and Restaurant. Palmer is involved in many scientific and professional brewing associations.

He left a career in aerospace research and development, and metallurgy in 2011 to found Palmer Brewing Solutions, Inc. He now focuses on brewery consulting and product development with key brewing industry manufacturers and serves as publications director for the Master Brewers Association of the Americas. When he's not brewing beer, writing about beer, or developing brewing equipment, John enjoys woodturning, blacksmithing, and reading sci-fi/fantasy. He lives in California with his wife, three children, and his cat, Shadow.