Yudhanjaya Wijeratne is the Nebula Award-nominated author of Numbercaste, The Salvage Crew, and several other stories. He works as a researcher with the Data, Algorithms and Policy team at LIRNEasia, a think tank working across the Global South; he also cofounded Watchdog Sri Lanka, a factchecker. His fiction has appeared in Wired, Slate and become brief bestsellers worldwide.