[1] Simon relocated to the University of Exeter in 1993, where he joined the department of Hispanic studies until being appointed a professor there in 2006.
[2] He actively participated in a sizable number of administrative and academic tasks, such as leading Exeter University's Centre for Medieval Studies.
[3] Simon's intellectual curiosity and capacity to broaden his field of study to encompass issues and methodological stances that went beyond his initial training are reflected in his research trajectory.
[3] Conquerors, Brides, and Concubines: Interfaith Relations and Social Power in Medieval Iberia, his most recent work, is a good example.
[3] In a process he described as "getting a second Ph.D.," Simon expanded on his initial focus on the lay aristocracy and looked at the cultural, political, and social effects and roles that interfaith marital alliances and sexual encounters played in the complex dynamics of Medieval Iberia.