Freije is president of HC Information Resources Inc. (Carlsbad, CA, www.hcinfo.com). He is an author, course instructor, and consultant specializing in Legionella and other waterborne pathogens. Freije earned a B.S. degree in mechanical engineering from Purdue University, a Water Treatment Plant Operations Specialist certificate from California State University, Sacramento, and is a Certified Water Specialist. He is the editor of Legionella Enews, an international newsletter that covers outbreaks and new technology. His book, Legionellae Control in Health Care Facilities: A Guide for Minimizing Risk, has sold in more than 30 countries. Portions of this article were excerpted from Freije’s recent publication Legionella Management Plan for Hotels.