Dr. George Carlo: epidemiologist and public health scientist, headed the multimillion-dollar research program funded by the cell phone industry that yielded alarming findings linking cell phone radiation to serious health diseases, including cancer. www.safewireless.org

Dr. Magda Havas: Associate Professor of the Environmental Studies, Trent University Ontario, an expert on the health effects of electrical fields. www.trentu.ca/academic/ihs/mhavas.html

Lisa and Ron Beres: recent IBE graduates who have taken the world by storm. Lisa and Ron have successfully developed a business and promoted Building biology in various media including -- The Today Show, The Discovery Channel, radio blogs in addition to their published children's book -- My Body My House. www.greennest.com

Clarke Snell: builder, designer and author of two books on "Natural, Green Building" techniques and alternative building methods. www.thinkgreenbuilding.com

Dan Stih: author of the new book -- Healthy Living Spaces. Dan founded his company also called healthy Living Spaces out of concern for other people's health. www.healthylivingspaces.com/products.htm

Dana Gorman: (pre-conference only) national autism advocate whose primary mission is to facilitate the sharing and dissemination of information. www.defeatautismyesterday.com