[5] In 2009 Greene published her second book, The Canal Builders: Making America’s Empire at the Panama Canal, a transnational labor history of the building of the Panama Canal, which won the James A. Rawley Prize for the best book on the history of U.S. race relations in 2010.
[9][10][11][12] In addition to her teaching and research, Greene has held a variety of leadership positions in academic organizations.
In 2011, she and Ira Berlin co-founded and directed the University of Maryland's Center for Global Migration.
[13][14][5] Greene also served as the President of the Society for Historians of the Gilded Age and Progressive Era from 2013 to 2015,[15] and then the Labor and Working-Class History Association (LAWCHA) from 2018 to 2020, having previously helped found the organization in 1997.
[18] She was the founding reviews editor of Labor: Studies in Working-Class History, and served as an associate editor for the journal until 2023, when she became the editor-in-chief following Leon Fink's retirement.