Leyser is an Emeritus Fellow at St Peter's College, Oxford, and a Fellow of the Royal Historical Society.[1] She joined St Peter's College in 1996 as Supernumerary Fellow in Medieval History, becoming an Official Fellow in 2002 and a Senior Research Fellow in 2008 before retiring in 2011. During her time at the college she additionally served as Tutor for Admissions between 1998 and 2008 and as Tutor for Welfare between 2004 and 2011.[2]
Leyser was W. John Bennett Distinguished Visiting Scholar at the Institute and the Centre for Medieval Studies at the Pontifical Institute of Medieval Studies, 2011-12.[3] She was a Distinguished Visitor at the Centre of Medieval Studies, University of Toronto (January–April 2012).[4] She has contributed biographies to the Oxford Dictionary of National Biography.
Between 2003 and 2012 Leyser appeared in five editions of the BBC Radio 4 programme In Our Time, discussing subjects including the East-West Schism, the Concordat of Worms and the life of Gerald of Wales.[5][6][7][8][9]
In 2011, Leyser received a Festschrift entitled Motherhood, Religion, and Society in Medieval Europe, 400–1400: Essays Presented to Henrietta Leyser, edited by her son Conrad Leyser and Lesley Smith (Farnham: Ashgate).[10]
Leyser was married to the historian Karl Leyser (1920–1992). Their children are Dame Ottoline Leyser, Regius Professor of Botany, Conrad Leyser, also a medieval historian,[11] and circus performer and author Matilda Leyser.
