Dr. Michael J Miller is the President of Microbiology Consultants, LLC, Vice President, Scientific and Regulatory Affairs atSpore.Bio, and the owner ofrapidmicromethods.com, a website dedicated to the advancement of alternative and rapid microbiological methods (AMM/RMM).

He is an internationally recognized microbiologist and subject matter expert in pharmaceutical microbiology, sterile and non-sterile pharmaceutical manufacturing and contamination control, and the design, validation and implementation of AMM/RMMs. Dr. Miller has held numerous R&D, manufacturing, quality, business development and executive leadership roles at multinational companies including Johnson & Johnson, Eli Lilly and Company, and Bausch & Lomb. He has also served as an expert witness on numerous pharmaceutical and medical device patent and product liability legal cases.

Dr Miller has authored over 100 technical publications and presentations, was the editor of PDA’s Encyclopedia of Rapid Microbiological Methods, and was co-chair of the 2026 revision team for PDA Technical Report #33: Evaluation, Validation and Implementation of New Microbiological Testing Methods. He also serves on the editorial and scientific review boards for American Pharmaceutical Review, European Pharmaceutical Review and the PDA Journal of Pharmaceutical Science and Technology, and was an advisor to the USP Microbiology Expert Committee in the area of rapid sterility testing.

Dr. Miller holds a PhD in Microbiology and Biochemistry from Georgia State University and a BA in Anthropology and Sociology from Hobart College.