 Gallwas served on the board of directors of the National Committee for Clinical Laboratory Standards, now the Clinical Laboratory Standards Institute for ten years and was its president from 1982 to 1984.Gallwas met Beckman Instruments founder Dr. Arnold Beckman and his wife, Mabel, within a few weeks of joining the company.Their friendship led to Gallwas' 40-year affiliation with the Arnold and Mable Beckman Foundation.