Faisal Husain is an environmental historian of the Ottoman Empire, with a geographical focus on its eastern provinces in Anatolia and Iraq. His first book, Rivers of the Sultan (Oxford University Press, 2021), examined the role of the Tigris and Euphrates in the establishment of Ottoman state institutions within the drainage basin between the sixteenth and eighteenth centuries. His second book project is an environmental history of Ottoman frontier expansion east of the Euphrates during the sixteenth century. Husain teaches courses on global environmental history, Ottoman history, the Silk Road, and the comparative history of early modern Muslim empires. He serves on the editorial board of Marmara Türkiyat Araştırmaları Dergisi, a Turcology journal based in Turkey, and Global Environment, an environmental history journal based in Italy.