For many of our industry partners, CTEH is synonymous with toxicology. Since our founding, we have built a reputation for our broad range of services and unparalleled toxicological expertise, including a record number of in-house PhD toxicologists like Larry Glass, PhD, MPH.

Larry is known for his experience in chemical product stewardship, including regulatory toxicology, epidemiology, risk assessment and risk management. An extensively published researcher, he has helped develop novel, cost-effective solutions and testing strategies for diverse chemicals. During his career, he has worked for both the public and private sector as a principal scientist, product stewardship scientist, program manager, toxicologist, researcher, and chemist. He holds a PhD and master’s in public health from the University of Texas School of Public Health as well as a bachelor’s from George Washington University.

Welcome to CTEH, Larry!