REGINA E. LUNDGREN is an independent consultant and trainer for both government and industry who specializes in communicating environmental, safety, and health risks, and is a former research scientist for the Pacific Northwest National Laboratory in Richland, Washington. Her publications have won national awards for their usability. She has led risk communication efforts for a variety of environmental, safety, and health issues, including Superfund cleanup, cancer cluster investigation, and bioterrorism planning as well as helped design risk assessment models for stakeholder use.

ANDREA H. McMAKIN is a communication specialist at the Pacific Northwest National Laboratory in Richland, Washington. She works with government and industry clients on communicating risks and other information concerning science, technology, and business. She's contributed to risk communication programs involving cancer clusters, health and environmental impacts from waste and Superfund sites, international nuclear and biological safety, worker chemical exposure, global climate change, and risk perception research.