Stephan Sommer, PhD

Assistant Extension Professor and State Extension Specialist for Enology

Food Science

Contact Information

Phone 573-882-6670
Address 223 Eckles Hall
Websites Google Scholar


  • PhD, Gutenberg University, Mainz, Germany


  • Physical stability and shelf-life on wine
  • Microbial communities and interactions in fermentations
  • Additives and technical treatment options in wine
  • Sustainable winery waste and wastewater treatment options
  • Value added products from winery waste


Stephan Sommer has an extension appointment related to grape processing and winemaking. Extension objectives include establishing a service laboratory for grapes and wine, enhancing the overall quality of wine in Missouri, and developing innovative winemaking techniques for new grape cultivars. Applied research objectives include all aspects of wine stability, beverage microbiology, and wine aging.