- Professor of 18th-century French literature, Université de Lorraine (from 2006 to 2015)
- Visiting Professor University of Augsburg (2017), Gafsa, Bloomington
- World Leading Researcher at Queen's University, Belfast (from 2013 to 2014)
- Tenured lecturer (Maître de conférences) in 18th-century French literature, Université de Rouen (from 2000 to 2006)
- Professeur agrégé, Académie de Rouen (from 1995 to 2000)
- Agrégée de l'Université (1995)
- Translator and Interpreter, then Management Consultant in Paris (from 1986 to 1994)
- Postgraduate at the Sorbonne (from 1986)
- Undergraduate at Magdalen (from 1982 to 1986)
- The history of ideas
- French literature of the long 18th-century (particularly 1760-1820)
- Contemporary fiction in French
- Autobiographical writing
- Medical humanities
- Marie-Antoinette, Lettres inédites, Paris, Albin Michel, 2019. Italian translation: Maria Antonietta, Lettere inedite, Florence, Edizioni Clichy, 2020
- Staël, Œuvres (dir.), Paris, Gallimard, Bibliothèque de la Pléiade, 2017.
- Évariste Parny (1753-1814). Créole, révolutionnaire, académicien, Paris: Hermann, 2014
- La Fabrique de l’intime. Mémoires et journaux de femmes du XVIIIe siècle, Paris: Laffont, Bouquins, 2013.
- Nobody’s Children? Enlightenment Foundlings, Identity and individual Rights, 2012 Burgerhart Lecture, Valkenswaard: Hola Press, 2012
- Laclos, Les Liaisons dangereuses, Catriona Seth (ed.), Paris: Gallimard, Bibliothèque de la Pléiade, 2011
- Les Rois aussi en mouraient. Les Lumières en lutte contre la petite vérole, Paris: Desjonquères, L’esprit des lettres, 2008
- Marie-Antoinette. Anthologie et dictionnaire, Paris: Robert Laffont, coll. Bouquins, 2006
- André Chénier. Le miracle du siècle, Paris: Presses de l’Université de Paris-Sorbonne, Mémoire de la critique, 2005
- Les poètes créoles du XVIIIe siècle, Paris-Rome: Memini, Bibliographie des écrivains français, 1998
- President of the Société Française d’Étude du Dix-huitième Siècle
- Member of the Editorial Board of En attendant Nadeau
- Director of the Bibliothèque du XVIIIe siècle, Masculin/Féminin and Rencontres series for Classiques Garnier
- Member of the Franco-British Council
- Professor Seth is currently supervising a number of graduates working on literature and the history of ideas from the 18th century to the present and welcomes enquiries from prospective students.
- Hon DDSc., Queen’s University Belfast (2018).
- Associate Member of the Académie Royale de Belgique (2018).
- Co-investigator Dreaming Romantic Europe, AHRC network project with N.J. Watson (Open University), 2018-20..
- Lead researcher ANR/DFG EDULUM project with R. von Kulessa (Université de Lorraine-Universität Augsburg), 2015-2018.
- Prime d’excellence scientifique, 2010-2016.
- Chawton House Fellowship, 2012.
- Participant ANR EUTERPE project 2007-2010.
- Prime d’encadrement doctoral et de recherche, 2006-2010.
- Zaharoff Travelling Scholarship, 1986.
- Senior Heath Harrison Scholarship, 1986.
- Doncaster Essay Prize, 1985.
