Leonard Sweet is the author of more than seventy books, including recent works on preaching (Giving Blood), evangelism (Nudge), ecclesiology (So Beautiful) and discipleship (I Am a Follower). In demand worldwide as a speaker, Len often appears on "Most Influential Christians in America" listings and was selected by the top non-English Christian website as one of the "Top 10 Influential World Christians of 2010". Len works with doctoral students at four institutions: Drew University, George Fox University Northwind Seminary, and Evangelical Seminary (Kairos). In 2015 he launched his own homiletics resource at preachthestory.com, and in 2020 he founded his own publishing house: the Salish Sea Press. His "Napkin Scribbles" podcasts are available on leonardsweet.com or Spotify. He resides on Orcas Island in the San Juans in the Pacific Northwest. Len Wilson is Executive Director of Invite Resources and publisher of Invite Press. A pioneer in the use of visual media and storytelling in church life, Len has served as a creative director, teacher, speaker, consultant, and coach. He has helped thousands of churches to more innovative ways of doing ministry through entrepreneurial endeavors he has co-founded and led since 1996.Telos is his twelfth title. Other works include Greater Things, Think Like a 5 Year Old, Taking Flight with Creativity, and The Wired Church. As a producer and director of dozens of short films, Len has won Silver and Bronze Telly Awards. Len holds a Doctor of Ministry degree in Semiotics and Future Studies from Portland Seminary, where he serves as Project Faculty to doctoral students. He resides in Frisco, Texas.