About the Author Jeffrey W. Vincoli is a Certified Safety Professional, a Certified Hazard Control Manager, and a WSO-Certified Safety Specialist who has worked in our nation's missile, space, and strategic defense programs for more than a dozen years in the areas of occupational safety and health, systems safety, and environmental compliance. He also provides these services as an independent private consultant. He is the author of Basic Guide to System Safety and Basic Guide to Environmental Compliance, both published by John Wiley & Sons, Inc.