From the Willow Creek Leadership Summit: Gary Hamel. His bio from his website, www.GaryHamel.com:

The Wall Street Journal recently ranked Gary Hamel as the world's most influential business thinker, and Fortune magazine has called him "the world's leading expert on business strategy." For the last three years, Hamel has also topped Executive Excellence magazine's annual ranking of the most sought after management speakers.

Hamel is also a member of Menlo Park Presbyterian Church in northern California (Christianity Today International board member John Ortberg is a teaching pastor there) and describes himself as "a believer."

America is experiencing "de-churching." Meanwhile, too often, Christians are not noticeably different in matters of lifestyle. Thom and Sam Rainer says only 3.5% of churches are "evangelistically healthy"–i.e., have a member-to-conversion ratio of 20:1 or less. Too often our congregations have been "convocations for the converted and the content." Why are our methods ...