Dale Grinstead, Ph.D.
Microbiologist and Consultant
Mountain Top Microbiology

Dale Grinstead is a Microbiologist with over 30 years of industrial R&D experience. Dale spent his career with Unilever and Diversey where he advanced to the position of Sr. Technology Fellow. During his career, Dale’s responsibilities included providing technical input and guidance on Diversey’s food safety programs, serving on the Diversey R&D leadership team, leading the Diversey Technology Council, assisting customers with technical issues, and participating in new product development projects. Over his time with Diversey, Dale has supported virtually all sectors of Diversey’s business. Dale retired from Diversey in June of 2021. Although nominally retired, Dale continues to stay active in food safety through various professional associations and serving as Adjunct Faculty in food science departments at several universities. Dale received his BS and MS degrees from Iowa State University and his Ph.D. from Clemson University.