David Johnson has been the senior pastor at Church of the Open Door in Maple Grove, Minnesota, since 1980. During this time, the church has grown from a congregation of 160 to 3,000 people. A much sought-after speaker, he is a graduate of Bethel College and received his theological training at Bethel Seminary and Trinity Evangelical Divinity School. His Growing in Grace radio broadcast is syndicated internationally. David and his family live in Minnesota.

Jeff VanVonderen is an internationally known speaker on addictions and church and family wellness. He has worked as a counselor in both residential and outpatient treatment settings, as well as in the religious community, taught at the college level, and is the author of several books, including Good News for the Chemically Dependent and Those Who Love Them. He is one of the featured interventionists on the A&E documentary series Intervention, which has won its second Prism Award. He has also appeared on Oprah, the Today Show, and Larry King Live. He has eight grandchildren and makes his home in Wisconsin. For more information, visit www.jeffvanvonderen.com.