Toby Yak

Contributing Faculty
College of Health Sciences and Public Policy
Ph.D. Public Health

Toby V. Yak, Ph.D., MPH, is a Contributing Faculty in the College of Health Sciences and Public Policy. He joined Walden University in July 2022. Besides, Dr. Yak is a lead epidemiologist with the Iowa Department of Health and Human Services (HHS). In his current role, he provides epidemiological and data analysis support for the Office of Disability, Injury and Violence Prevention and the Women, Infants & Children Program. Dr. Yak earned his Bachelor of Science degree from North Dakota State University, Master of Public Health, and Ph.D. in Public Health with a concentration in epidemiology from Walden University.

Dr. Yak is a lifelong learner with nine years of teaching experience at the undergraduate and graduate levels at other universities. He has taught Epidemiology, Research Design, Statistics, SPSS, and U.S. Healthcare Systems. Dr. Yak also oversaw and mentored students working on their master’s thesis. Professionally, he has a combined 19 years of experience in biomedical, evidence-based public health practice, and research. His focus is to help reduce the risk and occurrence of adverse health outcomes due to injuries and nutritional deficiencies using sound epidemiological principles, education, and evidence-based approaches.


PhD, Walden University

MPH, Walden University

BS, North Dakota State University