Joel Halcomb's research focuses on religious practice, culture, and politics in Britain and Ireland during the British Civil Wars. He is a founding member of the Dissenting Experience project (dissent.hypotheses.org), which promotes scholarship on the history, literature, and culture of early modern religious nonconformity. He is an Assistant Editor for The Minutes and Papers of the Westminster Assembly, 1643–1653 (2012, with Chad Van Dixhoorn, Mark Garcia, and Inga Jones) and co-editor of volume three of The Writing and Speeches of Oliver Cromwell (2015, with Patrick Little and David Smith). He is currently working on various aspects of interregnum religion and is preparing a monograph on the Congregational movement during the Civil Wars.
Joel Halcomb teaches on all aspects of early modern history. He coordinates the School's first-year Introduction to Early Modern Studies and contributes to second-year modules on Tudor and Stuart England and Conspiracy and Crisis in the Early Modern World. His own modules include The English Civil Wars, Tudor Rebellions, and a special subject on Oliver Cromwell. His graduate teaching covers early modern social, cultural, and political history. He has supervised graduate dissertations on Elizabethan religion, honour and the courts in the mid-17th century, the regicide of Charles I, and honour and political culture in the late Elizabethan court.