Dr Campbell is Professor of Communication and an affiliate faculty in Religious Studies at Texas A&M University. She was also named a Presidential Impact Fellow at Texas A&M University in 2018. She teaches undergrad and graduate courses in Media studies, focused on communication technologies, digital methods and theories, as well as in her specialization of media, religion and culture studies. In 2017 she received a Transformational Teaching Award from Texas A&M's Center for Teaching Excellence.

Dr Campbell is director of the Network for New Media, Religion and Digital Culture Studies, an online resource and research center for scholars and media professionals interested in the intersection of digital media, culture and religion. She is also recognized as one of the founders of Digital Religion studies, a new subfield of research that explores how religious beliefs and practices are performed and understood online and offline within digital culture.

Dr Campbell has published 11 books and over 100 journal articles and book chapters on themes related to digital media and religion. She has also given over 90 keynotes and invited talks all over the world on her research on religious communities and their engagement with digital and mobile technologies.

Dr Campbell has been a fellow or visiting scholar with the Caesarea Rothschild Institute for Interdisciplinary Applications of Computer Science at the University of Haifa (Israel), the Institute for Advanced Studies at the University of Durham (UK), the Center for Advanced Internet Studies in Ruhr University (Germany) and the Glasscock Center for Humanities Research at Texas A&M University (USA). She was also the 2018 Harron Family Endowed Chair in Communication at Villanova University.

Dr Campbell is a spiritual entrepreneur, which is expressed in through the Create Kindness Initiative that she launched in 2019, to inspire other to be the change they want to see in the world, and encourage others in higher education to pursue Academic Kindness. Her heart to care for others is seen in her volunteer work as a Spiritual Director and Lay Worship Leader with the Episcopal Diocese of Texas. She is a member of the Guiding Council for Middleway Urban Monastery, a contemporary prayer center. She is also active with Bridges to Life helping rehabilitate incarcerated offenders through a restorative justice program. In her free time she enjoys traveling, baking, pursuing creative ways to encourage others and leading centering prayer retreats for other spiritual seekers.