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John Spencer, CIH, CSP

J.S. Held’s Inaugural Global Risk Report Examines Potential Business Risks & Opportunities in 2024

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John W. Spencer has been an industrial hygienist for more than 35 years. Before joining J.S. Held, he was President of Environmental Profiles, Inc. for nearly 30 years. Prior to that, he was Vice President of National Medical Advisory Services in Bethesda, Maryland, and President of DMW Environmental Services, Inc. in Baltimore, Maryland. As team leader/industrial hygienist for the National Institute for Occupational Safety and Health (NIOSH), and National Occupational Exposure Survey, he conducted research and audits of several hundred manufacturing, health care, and other businesses throughout the United States. As an industrial hygienist for the United States Coast Guard, he conducted thousands of exposure assessments inclusive of a wide range of products, including numerous asbestos-containing materials. His responsibilities also included the management of the occupational medical monitoring program for the 5th Coast Guard District.

John is a past President of the Chesapeake Section of the American Industrial Hygiene Association (AIHA). He has served as a member of the National AIHA Emergency Response Planning Committee and the AIHA Product Health and Safety Committee.

He is the author of the Health and Safety Audits Manual, published by Government Institutes, and the AIHA Hazard Communication Guide, published by the AIHA. He was an editor of the AIHA's ERPG and WEEL Handbook.

J.S. Held is recognized as an ENR Top 200 Environmental Consulting Firm and industry leader in the Verdantix Green Quadrant for Sustainability & ESG Consulting.