Premodern Japanese history; culture of late medieval and early modern Japan; Japanese international relations in the Middle Ages and the Tokugawa era.
Recent Publications“The Tragedy of Quabacondono: An Elizabethan Account of the Last Days of Toyotomi Hidetsugi,” in Monumenta Nipponica, Volume 76, Number 1, 2021, pp. 1-68. (with Liam Michael Brockey)
“The Death of Taycosama,” in Bulletin of Portuguese/Japanese Studies, 2nd Series, Volume 5, December 2022, pp. 101-132. (with Liam Michael Brockey)