mary ellen sanders, ph.d.

Our Approach

Mary Ellen Sanders, Ph.D.

Dr. Mary Ellen Sanders, through her business Dairy & Food Culture Technologies, consults on all aspects of probiotic applications in the food and supplement industries. She believes probiotics will flourish only if available products are scientifically validated, responsibly produced and accurately labeled. She strives to balance the potential consumer benefits of probiotics with an understanding of the emerging science. Based on her extensive work with manufacturers, academicians and regulators, Dr. Sanders offers a comprehensive perspective to those interested in the continued emergence of the probiotic industry.

Our Story

Curriculum Vitae

Mary Ellen Sanders is an internationally recognized consultant to food and supplement companies in probiotic microbiology, with special expertise in paths to scientific substantiation of probiotic product label claims. Through numerous written, oral and video pieces, she strives to provide objective, evidence-based information on probiotics for consumers and professionals.

Some of her key activities and roles include:

  • Founding president (2002) and current executive science officer of ISAPP
  • Chair of the United States Pharmacopeia’s Probiotics Expert Panel (2017-2023)
  • Co-Chair of World Gastroenterology Organisation Committee preparing practice guidelines for the use of probiotics and prebiotics for GI indications (2017, 2023). WGO Practice Guideline - Probiotics and Prebiotics.
  • Member of the ISAPP consensus panels on definition and scope of probiotics (2013), prebiotics (2016), synbiotics (2019), fermented foods (2019) and postbiotics (2019)
  • Consultant with major universities on randomized clinical probiotic trials sponsored by NIH, foundations and industry.
  • Serves on several corporate scientific advisory boards.
  • Served on several panels to determine GRAS status of probiotic strains
  • Member of the ILSI-North America Gut Microbiome Committee (2018-2023).
  • Member of the working group convened by the FAO/WHO that developed guidelines for probiotics (2002)
  • Served on the Board of Experts for Gut Microbiota for Health, expert exchange. Expert for the "Probiotics" section (2014-2023)
  • Participated in an NIH project titled “Federal Regulation of Probiotics: An Analysis of the Existing Regulatory Framework and Recommendations for Alternative Frameworks,” coordinated at the University of Maryland School of Law (2010-2012)

Dr. Sanders served as the founding president of the International Scientific Association for Probiotics and Prebiotics (ISAPP) from 2002-2005 and as the organization’s Executive Science Officer from 2005-2023. This international, non-profit association of academic and industrial scientists is dedicated to advancing the science of probiotics and prebiotics (

Dr. Sanders received her B.S. in Food Science at University of California - Davis, and her M.S. and Ph.D. in Food Science with an emphasis in microbiology at North Carolina State University in Raleigh.

Dr. Sanders has published over 140 peer reviewed papers and has delivered close to 200 scientific lectures.