Mark Dever (PhD, Cambridge University) is the senior pastor of Capitol Hill Baptist Church in Washington, DC, and president of 9Marks (9Marks.org). Dever has authored over a dozen books and speaks at conferences nationwide. He lives in Washington, DC, with his wife, Connie, and they have two adult children.

Jamie Dunlop serves as an associate pastor of Capitol Hill Baptist Church. He is the coauthor (with Mark Dever) of The Compelling Community and author of Budgeting for a Healthy Church. Jamie and his wife Joan have three school-aged children and live on Capitol Hill in Washington, DC.