For the award-winning Bell's Brewery, Inc., John Mallett has been in charge of all beer production. Kalamazoo, Michigan Since 2001, many of its labels have achieved near-cult status among beer connoisseurs. Mallett has been acknowledged for his skill and leadership in brewery technical education and training during his 26-year professional brewing career. He is a member of the Master Brewers Association of the Americas, the Brewers Association, the Hop Quality Group, and the American Malting Barley Association, among other boards and technical committees.

He has written over 40 brewing technical papers and presentations and has been a member of Siebel Institute of Technology's extended faculty since 1995. Mallett won the Russell Schehrer Award for Craft Brewing Innovation in 2002.