Board Members

The Gulf Coast Section of the American Industrial Hygiene Association operates by the volunteer services of the Board of Directors.

If you would like to serve with the local chapter, please contact the appropriate division.


Justin Lopez, CIH, CSP, MPH

Senior Consultant | BSI EHS Services and Solutions | 830.832.0764

President Elect

Stefan Malhotra MPH, CIH, CSP, CHMM, REM

Deputy Assistant Director - Risk Management City of Houston

Past President

Atiya Syverson MSPH, CIH

ASH Health and Safety | 281.961.0389


Katy Nelson MS, ASHM

Consulting Specialist BSI EHS Service and Solutions


Dennis Casserly, Professor Emeritus

University of Houston - Clear Lake | 281.283.3775

Public Affairs Director

Bob Phalen, Associate Professor of Industrial Hygiene

University of Houston - Clear Lake | 281.283.3753

Membership Director

Dave Thomas, Owner

REPSS, Inc. | Industrial Hygiene Equipment Supplier | 713.461.6030


Jan Koehn, M.S., CIH

JK Inc. | Occupational Health, Safety, and Environmental Consulting | 713.664.1597

Scholarship Director

Janet Gutierrez, Safety Manager, Radiation Safety Program, RSO

UT Health in Houston | 713.500.5844


Tammy Morris, Environmental Health and Safety Specialist / Training Specialist