Cal Chapman has practiced environmental engineering and corrosion engineering, project management and environmental sciences since 1981. In the mid-1970s, he worked on the Trans-Alaska Pipeline project. He is a cofounder of Chapman Engineering, which began business in 1988. Chapman graduated from Trinity University in San Antonio, Texas, in 1981, with a major study area of mechanical engineering and concentrations in chemical and electrical engineering. He is a licensed professional engineer in four states and is a “Model Law Engineer” through the National Council of Examiners for Engineering and Surveying.