Craig Caster is the founder and director of FDM.world ministry. He left his professional career as a land developer in January 1993 to serve the Lord full-time. He was ordained in 1995 through Calvary Chapel and has gained a reputation among many evangelical churches within the U.S. and abroad as a trusted resource for discipleship training, counseling, exhorting men to lead, as well as an inspiring speaker. He has authored biblically based discipleship workbooks that cover Christian foundational truths, marriage, and parenting. He has taught thousands through seminars hosted in churches and conferences both here and internationally.

Now FDM has disciples in many countries, training pastors how to make disciples and use the resources that are now translated into more than 12 different languages. He founded the Family Discipleship Ministry Institute (FDMI) online school in 2021, which has students from around the world who receive training in their own language. Most of the students are pastors and church leaders from many different Christian denominations. He has been married since 1980, has three grown children, and grandchildren.