John Piper (@JohnPiper) is founder and teacher of desiringGod.org and chancellor of Bethlehem College & Seminary. For 33 years, he served as pastor of Bethlehem Baptist Church, Minneapolis, Minnesota. He is author of more than 50 books, including Reading the Bible Supernaturally.
Dr. R. Albert Mohler Jr. serves as president of The Southern Baptist Theological Seminary – the flagship school of the Southern Baptist Convention and one of the largest seminaries in the world.
Jeff Vanderstelt is the visionary leader for Saturate, the Soma Family of Churches and a teaching pastor at Doxa Church in Bellevue, Washington. He travels around the world training and equipping the church in the gospel and missional living and is the author of Saturate, Gospel Fluency, and Making Space (coming February 2018). He and his wife, Jayne, have three children. Connect with Jeff at his website, JeffVanderstelt.com, or on Twitter (@JeffVanderstelt).
Ross Lester is a Pastor from Johannesburg, South Africa, the city in which he was born and raised. He is married to his High School sweetheart, Sue, and they have two children, Daniel & Katie. Ross has served as the Lead Pastor of Bryanston Bible Church as well as the Network Director for Acts 29 Southern Africa. He has a Bachelors Degree in English Literature, as well as a Masters in Biblical Theology. For more check out bbc.org.za / rosslester.com