Authoritative Voices on Today's Issues

Welcome to the IVP Media Experts page. Here you'll find a list of IVP authors who can knowledgeably engage a variety of topics. If you have questions or are looking for an expert on a subject not included here, get in touch with IVP publicists by visiting our media page.

Spiritual Formation

Author Marlena Graves

Marlena Graves is a writer and adjunct professor. She also works at Farm Labor Organizing Committee (FLOC). Read More

Barbara L. Peacock

Barbara L. Peacock (DMin, Gordon-Conwell Theological Seminary) is a spiritual director, author, teacher, and preacher. Read More

Jason Gaboury

Jason Gaboury is a regional ministry director with InterVarsity Christian Fellowship. He's also an Anglican friar (Anglican Order of Preachers). Read More

Jeff  Tacklind

Jeff Tacklind is lead pastor of Church by the Sea in Laguna Beach, California, where he lives with his wife and three children. Read More

Christine   Aroney-Sine

Christine Aroney-Sine is the founder and facilitator for God Space, an online community that grew out of her passion for creative spirituality, gardening, and sustainability. Read More

Casey Tygrett

Casey Tygrett (DMin, Lincoln Christian Seminary) is theologian in residence at Parkview Christian Church in Orland Park, Illinois. Read More

  • Learn more about Casey, listen to his otherWISE podcast, and read his blog at
  • Follow him on Twitter: @cktygrett.
Ruth Haley Barton

Ruth Haley Barton (Doctor of Divinity, Northern Seminary) is founding president/CEO of the Transforming Center, a ministry dedicated to strengthening the souls of pastors and Christian leaders, and the congregations and organizations they serve. Read More

James Bryan Smith

James Bryan Smith is the author of The Good and Beautiful God and the Apprentice series. He earned his MDiv at Yale and his DMin at Fuller and is a theology professor at Friends University in Wichita, Kansas. Read More