Philip R. Morey received his Ph.D. degree in Biology from Yale University and is certified in the comprehensive practice of industrial hygiene by the American Board of Industrial Hygiene. Dr. Morey has held various teaching positions including Lecturer of Biology at Harvard University and Professor of Biological Sciences at Texas Tech University. He has also held a research position (Research Microbiologist; Research Industrial Hygienist) while at The National Institute for Occupational Safety and Health in the 1980s and was subsequently Director of Indoor Air Quality (IAQ)/Microbiology at several consulting companies. Currently, Dr. Morey is Principal Consultant Microbiology at ENVIRON International Corporation. Dr. Morey was one of the panelists for the first consensus mold remediation guideline published by the New York Department of Health in 1993. He was Assistant Editor of the 1999 American Conference of Governmental Industrial Hygienists Bioaerosols: Assessment and Control book. He has written two books: How Trees Grow and Biological Contaminants in Indoor Environments.