Dr. Joe Zietsman is the head of the Environment and Air Quality Division at TTI. He is part of TTI’s Leadership Team and leads a division of approximately 30 people that is responsible for research in the area of transportation and the environment. The division is divided into three programs—Air Quality, Transportation Modeling, and Environment and Planning.
Dr. Zietsman has 30 years of professional experience in the field of transportation engineering with a specialization in air quality, sustainable transportation, transportation planning, and the emerging topic of public health and transportation. He is also the Director of the Center for Advancing Research in Transportation missions, Energy and Health (CAR-TEEH), recently awarded under the University Transportation Center grant program by the USDOT.