She specializes in European intellectual and cultural history with an emphasis on the Enlightenment, the trans-Atlantic Age of Revolutions, and the legacy of the eighteenth century for modern democracy.
In 2017, she was named the Walter H. Annenberg Professor of History at the University of Pennsylvania.
[3] In 2014–15, Rosenfeld was a Member at the Institute for Advanced Study, where she researched how the maximization of choice gradually developed across the Atlantic world into a proxy for freedom in human rights struggles and consumer culture.
[4] She also served a three-year term from 2018 to 2021 as Vice President, in charge of the Research Division, of the American Historical Association.
In 2022, she held the Kluge Chair in Countries and Cultures of the North at the Library of Congress, and she was also named by the French government Officier dans l’Ordre des Palmes Académiques.