Patrick Raher serves as director of the firm's environmental group. He practices principally in the environmental and transportation law areas with an emphasis on legislative, rulemaking, and judicial consideration of highly complex technical and engineering situations that affect the clients with whom he works. Patrick has been an appointed member of the U.S. Environmental Protection Agency (EPA) Clean Air Act Advisory Committee since 1992. Patrick works closely with trade associations, in-house legal staff, and engineering and scientific support personnel to vigorously pursue client objectives. He assists clients by taking complex scientific, engineering, and health issues and presenting them to legislative committees, governmental agencies, and the courts in a form that conveys the client's goals and positions and highlights their compatibility with relevant environmental goals. Patrick lectures on environmental issues to trade associations, environmental groups, and foundations interested in environmental law. He has practiced before the federal courts in most circuits as well as before the EPA and the California Air Resources Board.