Lee W JansonLee W. Janson, author of Brew Chem 101, is an experienced homebrewer and a certified beer judge. A Texas resident, he is a member of the Bay Area Mashtronauts, a homebrewing club, and was head judge for two years in the the Lunar Redezbrew hoebrew competition. Janson holds a PhD in biological sciences and biochemistry from Carnegie Mellon University. Read More Read Less