Ms. Bills has over 28 years of materials management experience, including working for a hauler, a county government, a non-profit, and 16 years with materials management consulting firms. She has provided commercial sector materials flow assessments, green events project management, construction and demolition (C&D) research, and recycling and waste management technical support to government agencies and businesses. For the past four years, Tracie has been the contracted Executive Director for the California Resource Recovery Association.