[2] He serves on the Board of Trustees for Baptist International Missions Inc.[3] He is the founder of the Spiritual Leadership Conference[4] held annually in June and in January for Spanish pastors, and bi-annually in Asia.

[5] Chappell earned a Bachelor of Arts degree in pastoral theology from Pacific Coast Baptist Bible College in 1983.

In the first Sunday evening service, Chappell brought the message from Philippians 1:27 and asked the church to “strive together” with him to reach the community with the gospel.

In the months that followed, Chappell personally knocked on five hundred doors each week, inviting people to church and telling them how they could know Jesus Christ as their Savior.

[11] Chappell’s Daily in the Word radio broadcast is heard five days a week on over one hundred stations across America and in some other countries.

[20][21] In light of the COVID-19 Pandemic, Chappell alongside the city of Lancaster, California, and Franklin Graham worked with the charitable organization Samaritan's Purse to establish emergency field hospitals to treat COVID patients.

[22][23] Chappell has authored books on Christian living and biblical ministry philosophy[24] as well as Sunday school curriculum and minibooks on contemporary issues.