In December, 2009, NIOSH announced the Office of Construction Safety and Health. Construction is a key industrial sector that employs more than eleven million Americans. The Office will ensure rigorous coordination of construction safety and health research, partnerships, and practice to address the safety and health challenges that construction workers face.


G. Scott Earnest, Ph.D., P.E., C.S.P.
Director, NIOSH Office of Construction Safety and Health and
Manager, NORA Construction Sector

Scott Earnest is Director, NIOSH Office of Construction Safety and Health and Manager, NORA Construction Sector. Prior to joining the Office of Construction Safety and Health, Scott served as Branch Chief for the Engineering and Physical Hazards Branch (EPHB) in the Division of Applied Research and Technology from 2005-2015. EPHB conducts research in engineering controls, hearing loss prevention, and aerosol science/nanotechnology. Since joining NIOSH in 1991, he has led research in the control of occupational exposures to air contaminants by serving as a project officer, Team Leader and Branch Chief. He has over 70 peer reviewed publications and technical reports. Prior to joining NIOSH, he was an active duty, commissioned officer in the U.S. Army, Corps of Engineers. He is an expert in air filtration, industrial ventilation, and construction safety and health. He is a registered Professional Engineer (PE) and Certified Safety Professional (CSP). He received B.S., M.S. and Ph.D. degrees in industrial and mechanical engineering from the Purdue University, University of Cincinnati, and University of Minnesota, respectively. He has received the PHS Engineer of the Year award, the NIOSH Alice Hamilton Award, the Bullard-Sherwood award, the USPHS Distinguished Service Medal.

Douglas Trout, MD, MHS
Deputy Director, NIOSH Office of Construction Safety and Health

Doug Trout is Deputy Director, NIOSH Office of Construction Safety and Health. Doug began his career at CDC in 1992 as an Epidemic Intelligence Service (EIS) Officer in the Hazard Evaluations and Technical Assistance Branch (HETAB). Doug continued working in HETAB after completing the EIS Program, then served as Associate Director for Science for the former Division of Surveillance, Hazard Evaluations and Field Studies (DSHEFS), and most recently served as Branch Chief for HETAB in the Division of Field Studies and Engineering. He is a CAPT (retired) of the U.S. Public Health Service and is Board Certified in Occupational Medicine. Doug has conducted and contributed to a wide range of field studies and research during his time at NIOSH and has been involved with many different CDC and NIOSH working groups. He received B.A., M.H.S. in Industrial Hygiene, and M.D. degrees from Hamilton College, the Johns Hopkins University School of Hygiene and Public Health, and the University of Pennsylvania School of Medicine, respectively.

Elizabeth Garza, MPH, CPH
CDR, USPHS Commissioned Corps
Public Health Advisor, NIOSH Office of Construction Safety and Health
Coordinator, NORA Construction Sector

Elizabeth Garza has been with NIOSH since 2009 as a Public Health Analyst. She worked first with NIOSH’s Deputy Director for Program, and its Office of Global Collaborations. She began working with the Office of Construction Safety and Health in 2012. Her public health expertise and fluency in Spanish have enabled her to take the lead on health equity in construction. She provides programmatic assistance in support of the NORA Construction Sector Council activities. She also assists the Office in conducting outreach activities as well as developing r2p approaches. She’s a Commander in the U.S. Public Health Service Commissioned Corps. Her degrees include a B.S. in Biology & International Relations from the College of William & Mary as well as a Master in Public Health (MPH) from George Washington University School of Medicine & Health Sciences. She also holds the Certified in Public Health (CPH) credential.

Page last reviewed: March 28, 2018