About Us
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The Southwest Center for Occupational and Environmental Health (SWCOEH) supports research, education and outreach in occupational and environmental health funded by Grant #T42OH008421. This ERC grant is under the leadership of David Gimeno, PhD and George Delclos, MD, MPH, PhD who serve as ERC Director and Deputy Director.
2017-2022 SWCOEH ERC Program Impact and Outcomes
History
The SWCOEH was established in 1977 as one of the first nine National Institute for Occupational Safety and Health (NIOSH)-funded Education and Research Centers (ERC), and is now one of only 18 ERCs in the nation. Marcus M. Key, MD, MIH, founding director of NIOSH, was also the first director of the SWCOEH ERC. In 1985, the SWCOEH became a World Health Organization Collaborating Centre for Occupational Health. Having grown considerably since we were established, we also conduct research on how environmental and occupational exposures affect health and on how to mitigate health risks associated with these exposures. As of 2019, the SWCOEH has been officially approved as an affiliate of the NIOSH Total Worker Health program, strengthening a partnership spanning more than 40 years. SWCOEH ERC Directors
2020-Present David Gimeno Ruiz de Porras, PhD 2011-2019 Elaine Symanski, PhD 2006-2011 Sarah A. Felknor, DrPH 1997-2006 George L. Delclos, MD, MPH, PhD 1991-1997 Lawrence W. Whitehead, MPH, PhD, CIH 1988-1991 Patricia Buffler, RN, PhD 1985-1988 Edward J. Fairchild II, PhD 1977-1985 Marcus M. Key, MD, MIH Board of Advisors
An external advisory board comprised of members from industry, labor, government, non-governmental organizations (NGOs), and academia provide guidance to the SWCOEH on current and future directions.
Contact Us
Follow Us
Email: SWCOEH@uth.tmc.edu 
Vision
To be a primary catalyst for the improvement of workforce well-being.
Mission
To promote and improve health, safety, and well-being for workers and their communities through inspiring education, innovative research, and engaging outreach.
Purpose
To empower workers and their communities so they can attain their well-being goals in work and life.
Values
Three Core Values describe how the SWCOEH will accomplish its mission:
Excellence – Address work-related challenges through a commitment to interdisciplinary and interprofessional approaches aiming for an outstanding standard of excellence and performance.
Collaboration – Foster a network of stakeholders to collaborate with for a greater collective impact.
Integrity – Ensuring every action of the Center is conducted with integrity, honesty, fairness, and consistent with the Center’s mission.
Diversity, Equity, and Inclusion
To create equitable opportunities for improving well-being for every worker and workplace acknowledging everyone’s diversity of backgrounds so people can work together regardless of differences in who they are, how they look, or what they think or believe in.
The threats to health and well-being posed by occupational and environmental factors are complex and require interdisciplinary and innovative approaches to improve the health of workers and communities. In addition to utilizing the best available research practices and interventions, solutions must also consider geographic, economic, behavioral, cultural and political dimensions. The SWCOEH addresses these threats by providing graduate-level education in environmental and occupational health, conducting research into the causes, prevention and control of disease and injury, engaging in research to practice activities, and providing continuing education and outreach to our stakeholders.
Research
We conduct research in areas that include military health, ergonomics, farmworker health, workplace violence and air pollution epidemiology. Funding primarily comes from the NIH, CDC NIOSH, DOD, and FEMA.
Graduate-Level Education
The SWCOEH provides a variety of graduate-level training opportunities for occupational and environmental health professionals through our industrial hygiene, occupational and environmental medicine, occupational epidemiology, and Total Worker Health®.
Continuing Education and Outreach
The SWCOEH Continuing Education (CE) and Outreach Program serves as a training resource for professionals by delivering specialized courses in response to current training needs and responding to emerging issues in occupational and environmental health.
Leadership
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David Gimeno, PhD — Center Director and Total Worker Health Program Director
David Gimeno Ruiz de Porras, MSc, PhD, has served as Director of the Southwest Center for Occupational and Environmental Health since 2020. He is a tenured Professor within the EHGES Department at UTHealth School of Public Health in San Antonio. He is the Program Director of Total Worker Health, part of the U.S. National Institute for Occupational Safety and Health Education and Research Center at the Southwest Center for Occupational and Environmental Health. He is a trained psychologist and social and occupational epidemiologist with a Master in Occupational Hazards Prevention and a PhD in Public Health.
George Delclos, MD, MPH, PhD — Deputy Director
George Delclos, MD, MPH, PhD, is tenured Professor in the EHGES Department at the UTHealth School of Public Health in Houston, Professor and Marcus M. Key, M.D. – Shell Occupational and Environmental Health Endowed Chair, and Distinguished Teaching Professor of The University of Texas System. He served as Director of the Southwest Center for Occupational and Environmental Health from 1997-2006 and currently serves as the Deputy Director of the SWCOEH. His current areas of research focus include: occupational and environmental asthma (epidemiological and clinical aspects, with an emphasis on healthcare workers and cleaners); national surveys of working conditions, employment and health, with a focus in Latin America; determinants of sickness absence, presenteeism and disability; and Total Worker Health and expanding paradigms for occupational safety and health. In collaboration with NIOSH, Dr. Delclos planned and led the 2021 Ex4OSH conference, a virtual conference with an expanded focus on occupational safety and health.
Annette Allett — Program Manager
Annette Allett serves as the Program Manager for the Southwest Center for Occupational and Environmental Health, overseeing all administrative aspects of the center as well as serving as a liaison for the trainees. She has been with the SWCOEH since 2013. Annette attended Chaminade University of Honolulu for her undergraduate studies. She is a veteran of the United States Navy and her hobbies include travel and running half-marathons.
William “Brett” Perkison, MD, MPH — Occupational Medicine Residency Program Director
William “Brett” Perkison is the Occupational Medicine Residency Program Director for the Southwest Center for Occupational and Environmental Health. He holds a joint appointment at UTHealth Dept. of Family Medicine. He is currently involved in research in the specific areas of heat stress prevention and improving readiness for restoring post flood buildings in a safe manner. Originally from Texarkana, Texas, he obtained his undergraduate degree in Biology at Texas A&M University and then his medical degree at UTMB Galveston. He completed his intern year in Family Medicine at Baylor College of Medicine and then served three years as General Medical Officer stationed overseas in the U.S. Navy.
Jenil Patel, PhD — Pilot Project Research Program Director and Occupational Epidemiology Doctoral Training Program Director
Jenil Patel is the Director of the Pilot Projects Research Training Program at Southwest Center for Occupational and Environmental Health. He led the first virtual joint Southwest Centers Occupational Health Research Symposium in June 2021. He received his PhD in Epidemiology from the University of Texas School of Public Health at Houston. Dr. Patel is a trained physician from India and received his Bachelor of Medicine and Surgery (MBBS) degree from Smt. B. K. Shah Medical Institute and Research Center, Gujarat University. He holds an MPH in health education from Western Kentucky University. Dr. Patel is also a UW Collaborative Center for Health Equity’s HELI program Scholar.
Anabel Rodriguez, PhD — Outreach Program Director
Anabel Rodriguez is the Outreach Program Director for the Southwest Center for Occupational and Environmental Health. Her research and outreach efforts focus on improving the health and safety of vulnerable working populations, in particular Spanish and Mayan (Indigenous) language-speaking, Hispanic agricultural working populations. As a former SWCOEH Occupational Epidemiology Trainee, her collaborative research and outreach work aims to improve the level of awareness and knowledge of health problems and the assessment of health care needs, barriers, and feasibility of on-worksite health service delivery and its application to Total Worker Health®. More recently her focus has been on the delivery of culturally, linguistically, and literacy appropriate health resources and the facilitation of on-worksite clinics for agricultural workers and their families. As a former migrant seasonal farmworker and daughter of Spanish-speaking Mexican immigrants, the intentions and purpose of her research and outreach work are personal and heartfelt.
Wei-Chung Su, PhD - Interim Industrial Hygiene Program Director
Wei-Chung is the Interim Program Director of Industrial Hygiene for the Southwest Center for Occupational and Environmental Health. His research interests are centered on airborne particulate matter (aerosol) related to environmental and occupational health. His expertise is aerosol respiratory deposition experiments particularly for airborne particles with irregular shapes such as fibers, nanomaterials, and ultrafine particles. Built on his prior research experiences, he has established an Aerosol Lung Deposition Lab in UTHealth focusing on studying work-related aerosol respiratory deposition issues. He is a Certified Industrial Hygienist (CIH), and the past chair of the Aerosol Technology Committee in the American Industrial Hygiene Association (AIHA). As a faculty member in EHGES and the SWCOEH, he provides several core and elective courses to the environmental and occupational health program, such as Fundamental of Industrial Hygiene (PH 2245), Occupational Health Controls (PH 2250), and Risk Analysis (PH 2135).
Faculty and Staff
Masoud Afshar
Masoud Afshar is an Analytical Chemist for the Southwest Center for Occupational and Environmental Health at UTHealth School of Public Health, since he joined the University in 1995. Masoud received his Master Degree in Analytical Chemistry from Sam Houston State University.
Belinda Hernandez
Dr. Belinda Hernandez is the Director of Evaluation for the Southwest Center for Occupational and Environmental Health at UTHealth School of Public Health. She is an Assistant Professor of Health Promotion and Behavioral Sciences at the San Antonio Campus. Her research interests include prevention of risky behaviors among adolescents; military populations; and intervention development, evaluation, and dissemination. Throughout her career, she has worked to identify and address the needs of adolescents at risk for negative health outcomes and to build the capacity of schools and other organizations to implement effective programs. She has worked on studies funded by NIH and CDC to develop and rigorously evaluate health programs and implementation strategies, including Me and You, a teen dating violence prevention program, and iCHAMPSS, a decision support system that facilitates adoption, implementation, and maintenance of evidence-based sexual health programs in schools. She currently teaches Advanced Methods for Program Planning (Intervention Mapping). Dr. Hernandez received her Master’s and doctoral degrees in health promotion and behavioral sciences from the UTHealth School of Public Health.
Serena Holguin
Serena Holguin joined the team at the SWCOEH as the Project Manager for Continuing Education in October 2022. She manages the development and implementation of continuing education programs at the Southwest Center. Serena has a BA in Psychology from the University of Texas-El Paso and a MPH in Community Health Education from California State University Northridge. Serena has over 20 years of experience in health education curriculum development. In her free time she enjoys swimming, reading, trying new restaurants and traveling.
Jooyeon Hwang, PhD, MS
Dr. Jooyeon Hwang is an Associate Professor in Industrial Hygiene for the Southwest Center for Occupational and Environmental Health (SWCOEH) at the UTHealth Houston School of Public Health. She received her Ph.D. in Industrial Hygiene and M.S. in Environmental Health Sciences from the University of Minnesota. Dr. Hwang was as a postdoctoral fellow at the Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health. Her research has focused on evaluation of the relationship between occupational exposure to specific contaminants and adverse health effects in several different industries including mining, agricultural, and public safety including firefighters. In particular, her research conducts the development of new exposure-associated microbiomes and multi-omics assessment methods to characterize occupational and environmental exposures for health studies.
Kevin Lanza, PhD
Kevin Lanza, PhD, is an Assistant Professor in the Department of Epidemiology, Human Genetics, and Environmental Sciences at UTHealth School of Public Health in Austin, Texas. His research explores the relations between the environment, health behaviors, and health through an equity lens, with a focus on extreme heat and physical activity of children and other heat-sensitive populations. The ultimate goal of his research is to inform policies that eliminate race-, ethnicity-, and class-based health inequities in the face of warming from urbanization and climate change. Prior to joining the faculty at UTHealth, Dr. Lanza was a research fellow at the U.S. Centers for Disease Control and Prevention, received his doctorate in City & Regional Planning from Georgia Institute of Technology, and completed his postdoctoral training at the Michael & Susan Dell Center for Healthy Living. His research has been funded by the National Institute of Environmental Health Sciences, National Oceanic and Atmospheric Administration, Robert Wood Johnson Foundation, and City of Austin. Dr. Lanza’s research publications are listed in his NIH bibliography.
Kristina Mena, PhD
Kristina D. (Crabtree) Mena, MSPH, PhD is the El Paso Campus Dean of UT-Houston School of Public Health. She is Associate Professor and Program Head of Environmental and Occupational Health Sciences. Dr. Mena earned a BA in Biology at Franklin College (Indiana), a MSPH at the University of South Florida, a PhD in environmental microbiology at The University of Arizona, and completed a Post-Doctoral Fellowship at Kansas State University. Dr. Mena has over 25 years of experience addressing disease transmission through water and food using risk assessment and epidemiological studies. Dr. Mena was re-appointed by former USEPA Administrator Scott Pruitt to serve second terms on both the USEPA Chartered Science Advisory Board and the USEPA Drinking Water Committee. Read Kristina Mena's Bio.
Aurelia “Leah” Merrill
Leah Merrill has been with the University of Texas Health Science Center for 25 years. She currently serves as the Sr. Data Analyst with the Southwest Center of Occupational and Environmental Health. Leah enjoys watching sports, traveling, and spending time with her family and friends.
Matthew Pedersen
Matthew Pedersen joined the Southwest Center for Occupational and Environmental Health in April 2021 as communication specialist. He manages the Southwest Center website and social media channels, creates written and video content and oversees storytelling for the Southwest Center. Before UTHealth, he served as senior communications manager with the Houston Dynamo for five years, managing written communication for the club and serving as liaison between the media and club.
Silvia Santiago
Silvia P. Santiago serves as the Continuing Education Coordinator for the Southwest Center for Occupational and Environmental Health. She works closely with the course director to facilitate new courses. Prior to joining the Center, she worked for the Department of Epidemiology Human Genetics and Environmental Sciences. She graduated with a Master Degree in Human Health Services from Liberty University. She has lived in Guatemala and Canada and enjoys traveling to new places.
Mary Ann Smith, PhD
Mary Ann Smith's training is in Pharmacy and in Pharmacology / Toxicology. Her interests focus on understanding mechanisms of xenobiotic-induced toxicity as they relate to environmental & occupational exposures and subsequent adverse health effects. In addition, she has an interest in the translation of complex scientific information to language which is accessible to the general lay public, with a particular emphasis on accessibility to underserved communities.
Peggy Weinshilboum
Peggy Weinshilboum joined the UTHealth School of Public Health in 2011 and the Southwest Center in 2016. Presently, she's the Program Coordinator for the Occupational and Environmental Medicine Residency Program. She enjoys taking walks with her husband and two dogs, and is looking forward to traveling.