Christian is an Environmental Protection Specialist in the Stratospheric Protection Division in EPA's Office of Air and Radiation, where he works on rulemakings under the AIM Act and current programs under Section 608 of the Clean Air Act. Prior to EPA, Christian worked in the State of Delaware's Department of Natural Resources and Environmental Control, where he worked on the state's greenhouse gas inventory and Climate Action Plan and also helped to establish the state's HFC regulation. He holds a B.S. and M.S. in Chemical Engineering from Rowan University (Glassboro, NJ).