Authors John Gray and Marianne Williamson, social commentator Arianna Huffington, actresses Lindsay Wagner and Diane Ladd, and musicians Melissa Manchester and Dave Mason will be among the participants in the Los Angeles Conscious Living Expo, Feb. 14- 16 at the Los Angeles Airport Hilton. For more information, call 888- 721-3976 or go to www.consciouslivingexpo.com.