John Donehower is a Head Brewer at Common Block Brewing Company at Common Block Brewing Company. He possess expertise in brewing, beer, sensory evaluation, fermentation, haccp and 10 more skills. Colleagues describe him as "John was an efficient and capable manager for the retail location on Piedmont Avenue in Oakland. He achieved and exceeded agreed upon sales goals, by hiring, training and empowering staff with knowledge and humor, while always maintaining a business like demeanor." and "John is an organized and trustworthy individual who successfully trained, led and guided a great team of brewers and always volunteered to lend a hand in the cellar or brew house."