Michael Frost is an internationally recognized Australian missiologist and one of the leading voices in the missional church movement. He is the vice principal of Morling College in Sydney, Australia, and the founding director of the Tinsley Institute, a mission study centre located at Morling College. A popular speaker around the world, he has written more than a dozen books including , , , and . An expert in church planting, Frost cofounded the Forge Mission Training Network with Alan Hirsch. He remains an international director of that movement which is now based in the United States.
Christiana Rice is an on-the ground practitioner and visionary voice in the missional movement, serving as a coach and trainer with Thresholds, a community of player-coaches who help people create spaces of discovery and communities of transformation. She leads a neighborhood faith community in San Diego. Christiana grew up in Tokyo, Japan, the daughter and granddaughter of missionaries to that country. Whether teaching and coaching global leaders, engaging the deeper spiritual longings of her neighbors, or embracing the sacred mundane of daily life with her family and her community, Christiana seeks participate in God's restorative mission in all things.