Stephen also has studied in Salamanca, Spain, in addition to a number of South American cities as a result of his interest in Spanish language and culture. Most recently, Stephen worked to implement US Department of Energy programs out of the Mid-Atlantic Regional Office, in support of energy-sustainable communities and the market adoption of solar energy across a seven-state region. Before this role, Stephen directed market research for a new ventures division of Exelon (PECO Energy), after conducting similar work for a quantitative market research supplier that included public opinion polling for ABC News and The Washington Post. In 2004, Stephen was one of 30 Philadelphia-area associates selected to complete the Environmental Leadership Program's pilot regional training series for emerging environmental leaders. At SEI, Stephen's primary focus is on sustainability initiatives in the higher education sector, including serving on a California statewide implementation team for the Alliance to Save Energy's Green Campus Program. In addition, Stephen heads up SEI's client engagements that focus on solar and other renewable energy solutions.