Christof Spieler, PE, AICP, LEED AP is Director of Planning at Huitt-Zollars. His recent work includes reimagining regional rail in Philadelphia, bus transformation in Boston, bus network redesign in Fort Worth, a rail station in Austin, a community vision for Galveston, commuter rail planning in Albuquerque, greenways in Houston, street design manuals for Dallas, and the City of Houston's response to a proposed highway expansion. He teaches at Rice University and served on Houston METRO's board from 2010 to 2018, spearheading the redesign of the bus network. His book Trains, Buses, People: An Opinionated Atlas of US Transit was published in 2018; a second edition that includes Canada was published in September 2021. As a member of the American Public Transit Association's Sustainability and Urban Design Working Group, he has helped draft national standards on transit and urban design and he was a contributor to NACTO's Transit Streets Design Guide. Christof holds a B.S. and M.S. in Civil Engineering from Rice University. He lives in Downtown Houston and relies on transit and walking for most of his daily trips.