[1][2] Chapman joined the staff of Calvary Baptist Church in Winston-Salem, North Carolina, in 1971 and shares the responsibilities of teaching and family care.

He has also authored the Five Love Language concept books for parents of children and teenagers, single adults, and a special version for men.

Additionally, Chapman co-authored The 5 Languages of Appreciation in the Workplace with Dr. Paul White, applying the concepts to work-based relationships.

[5] Chapman travels the world presenting seminars on marriage, family, and relationships, and his radio programs air on more than 400 stations.

A 2022 study provided some evidence in favor of the love languages framework, while summarizing past empirical support for it as "equivocal.