Mark Oestreicher (Marko) is a veteran youth worker and founding partner in The Youth Cartel, providing resources, training, and coaching for church youth workers. The author of dozens of books, including Youth Ministry 3.0, Marko is a sought-after speaker, writer, and consultant. Marko lives in San Diego with his wife, Jeannie, and two teenage children, Liesl and Max. Marko's blog: whyismarko.com.
Brock Morgan is a popular speaker for conferences, retreats, and camps and has written in a variety of magazines and publications. This 22-year youth ministry veteran lives with his wife and daughter just outside of New York City in Greenwich, Connecticut, where he is the youth pastor at Trinity Church. You can find out more about him, his writings, and his ministry at brockmorgan.com.