John W. Creswell, PhD, is a Professor of Family Medicine and Senior Research Scientist ofthe Michigan Mixed Methods Program. He has authored numerous articles and 34 books onmixed methods research, qualitative research, and research design. While at the University ofNebraska–Lincoln, he held the Clifton Endowed Professor Chair, served as Director of theMixed Methods Research Office, co-founded SAGE’s Journal of Mixed Methods Research, andwas an Adjunct Professor of Family Medicine at the University of Michigan and a consultant tothe Veterans Administration Health Services Research Center in Ann Arbor, Michigan. He wasa Senior Fulbright Scholar to South Africa in 2008 and to Thailand in 2012. In 2011, he co-leda National Institutes of Health working group on the “best practices of mixed methods researchin the health sciences,” served as a Visiting Professor at Harvard’s School of Public Health andreceived an honorary doctorate from the University of Pretoria, South Africa. In 2014, he wasthe founding President of the Mixed Methods International Research Association. In 2015, hejoined the staff of Family Medicine at the University of Michigan to Co-Direct the MichiganMixed Methods Program. In 2017, he coauthored the American Psychological Association“standards” on qualitative and mixed methods research. The fourth edition of this book onQualitative Inquiry & Research Design won the 2018 McGuffey Longevity Award from the U.S.Textbook & Academic Authors Association. During the COVID-19 pandemic, he gave virtualkeynote presentations to many countries from his office in Osaka, Japan. Updates on his workcan be found on his website at johnwcreswell.com.Vicki L. Plano Clark, Ph.D., is professor of research methods in the School of Education at the University of Cincinnati, U.S.A. She is an applied research methodologist who studies, applies, teaches, mentors, consults, and writes about the adoption and use of mixed methods research. Her scholarship focuses on resolving methodological issues associated with mixed methods designs and understanding larger contexts that influence the application of mixed methods research. Her writings include Designing and Conducting Mixed Methods Research (2018, coauthored with John W. Creswell) and Mixed Methods Research: A Guide to the Field (2016, coauthored with Nataliya V. Ivankova). She serves as Associate Editor for the Journal of Mixed Methods Research and Editor of the Mixed Methods Research Series with Sage Publishing. She has held leadership roles for the Mixed Methods Research Special Interest Group and the Professors of Educational Research Special Interest Group of the American Educational Research Association (AERA). She is dedicated to advancing opportunities for students and scholars across disciplines to understand and apply diverse research methods to address important real-world problems.