Dr. Pamella Gann (Tijerina) specializes in environmental toxicology, risk communication, inhalation exposure, public health, and emergency response. As a toxicologist with CTEH®, Dr. Gann has a wide-breathe of experience, ranging from toxic-tort litigation to worker- and community engagement.

Her doctoral research involved air pollution, nanoparticles, and inhalation toxicology. Dr. Gann began her career in academia at the University of Texas Health Science Center, where she conducted laboratory research on airway reflex responses. Dr. Gann continues to be involved in the Society of Toxicology and various mentoring activities within her community.