Katherine M. Hertlein, Ph.D., is a Professor in the Department of Psychiatry and Associate Dean of Faculty Affairs and Professional Development in the Boonshoft School of Medicine at Wright State University in Dayton, Ohio. She was previously a Professor and Program Director of the Couple and Family Therapy Program at the University of Nevada, Las Vegas. She received her master's degree in marriage and family therapy from Purdue University Calumet and her doctorate in human development with a specialization in marriage and family therapy from Virginia Tech. Across her academic career, she has published over 100 articles, over 50 book chapters and 12 books in two areas: sexuality and technology and families. She developed the first multitheoretical model for describing the effect of technology on couple and family life. Dr. Hertlein has won numerous awards for research, teaching, mentorship, and supervision across her career including the Nevada System of Higher Education’s Regent’s Rising Researcher Award, the Barrick Scholar Award, and the Barrick Distinguished Scholar Award from UNLV. In 2017, one of Dr. Hertlein's texts was awarded the Integrative Approaches to Sex therapy Award and the Book Award from the American Association of Sexuality Educators, Counselors, and Therapists. Dr. Hertlein was also awarded a Fulbright Core Scholar Award (2018-2019) and, in this role, served as a Guest Lecturer and Guest Researcher at the University of Salzburg in Salzburg, Austria. She serves on the board of the Telebehavioral Health Certification Institute and on the Fulbright Austria Alumni Advisory Board. Dr. Hertlein is also the Editor-in-Chief Journal of Couple and Relationship Therapy. Dr. Hertlein’s expertise in couple and family life cycle transitions has been featured in various media outlets including Men’s Health, Psychology Today, The APA Monitor, The Atlantic, the BBC, the New York Times, and many other mainstream outlets. She lectures nationally and internationally on couple and family life.