Mark WilliamsonMark Williamson has been involved in training emerging Christian leaders for the last five years and has experience working on five continents. He and his wife Joanna are co-founders and co-directors of One Rock International, an organization that heps emerging leaders to find and fulfill God's vision for their lives. Mark has been a member of the Methodist Church since childhood, and currently leads a Cafe Church in south west London. Read More Read Less