Dr. Geis has published numerous chapters and papers and lectured on subjects of applied microbiology. He was responsible for Cosmetic Microbiology: A Practical Handbook 2nd edition and is currently an editor for the journal International Biodeterioration and Biodegradation.He is emeritus member of both the American Society for Microbiology and the Society for Industrial Microbiology and Biotechnology and a fellow of the Ohio Academy of Science. Dr. Geis brings unique global technical and applied expertise and experience in diverse regulatory, manufacturing, product quality and consumer realities to the subject of microbiological quality.