Lindsey is an associate professor in the Department of Communication Studies at New Mexico State University. She teaches communication in friendships and romantic relationships, as well as modern mediums of interpersonal communication, a class on socializing and developing relationships over the Internet.

She also is the author or co-author of several book chapters and articles published in Sex Roles, Human Communication Research, Communication Monographs, Communication Quarterly, Communication Research Reports and the Journal of Language and Social Psychology.