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5.04/23/2026

Brings real-world insights to the classroom.

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About Marybeth

Marybeth Mitcham, PhD, MPH, is an Assistant Professor in the Department of Global and Community Health at George Mason University’s College of Public Health and Director of the Online MPH Program since 2022. A Health Science educator and researcher, she earned her PhD in Curriculum and Instruction with a public health emphasis from Liberty University in 2021, an MPH in Nutrition from Liberty University in 2016, a BS in Biology from SUNY Empire State College in 2015, and associate degrees in Human Development and in Science, Mathematics, and Technology from SUNY Empire State College in 2013. Her career includes roles at Cornell University Cooperative Extension as Resource Educator (2018–2022) and Subject Educator III (2016–2018), where she developed public health nutrition programs, managed staff, and conducted community education on food systems and wellness. She served as Adjunct Professor of Biology at SUNY Adirondack (2017–2022), PhD Chair in the School of Health Sciences at Liberty University (2022–present), and Program Facilitator at eCornell (2021–present). Earlier positions encompass high school instruction and nonprofit management.