IOWA CITY, IA Patrick Ryan, Ph.D., joins Stanley Consultants as an Environmental Consultant. Stanley Consultants is a global consulting engineering firm that provides program management, planning, engineering, environmental, and construction services worldwide.

Based in Iowa City, Iowa, the company's hub for environmental services, Ryan will lead projects that involve air dispersion modeling, transportation conformity analyses, major source air construction permitting, and Title V operating permits. He will assist in marketing air quality services on a local and national level, as well as expand the firm's air dispersion modeling capabilities.

Ryan comes well qualified to the position with more than 30 years of air quality permitting and compliance experience. While operating his own environmental consulting business he performed an emissions study for the U.S. Department of Justice, wrote position papers and interfaced with government officials in the updating of the New Mexico air dispersion modeling guidance document, and prepared technical comments on adverse health effect predictions used by the Arizona Department of Environmental Quality. As an air quality analyst working for consulting companies such as Sebesta and Sonoma Technology, he managed numerous air permitting projects, air dispersion modeling analyses, and Title V permitting work for various industrial and utility clients.

"It's unusual to find individuals with the level of expertise that Patrick has with regard to air quality work," said Lain Pacini, Air Quality Department Manager. "He has worked with a vast array of air dispersion modeling programs and performed many different types of air quality work. To have someone of his caliber join our team gives Stanley Consultants a competitive edge."

Ryan has M.S. and Ph.D. degrees in chemical engineering from the University of California - Los Angeles. He has authored multiple formal air quality reports for submittal to regulatory agencies. In the past, his works have been published in journals and he has presented at various conferences. He is a member of the Air & Waste Management Association.