Gusmer Enterprises is pleased to announce the hiring of Ivonne Dresser as a Technical Sales Representative. Ivonne formally worked at E&J Gallo Winery in Modesto,CA as well as Enartis Vinquiry in Windsor, CA. She earned a B.S. Degree in Biological Sciences from UC Davis, with an emphasis on microbiology. Ivonne will be responsible for all winery customers in Sonoma & Mendocino County.