Jason Merchant is Professor of Linguistics at the University of Chicago. He has written extensively on ellipsis, including on sluicing, swiping, fragment answers, verb phrase ellipsis, antecedent-contained ellipsis, comparative ellipsis, and nominal ellipsis. His other interests are in case, split ergativity, locality, islands, agreement, and topics in the syntax-semantics interface. His primary language areas are in Germanic, Greek, and Romance. He studied at Yale, Tübingen, Utrecht, and the University of California at Santa Cruz, where he received his Ph.D. in 1999. Andrew Simpson is Professor of Linguistics and East Asian Languages and Cultures at the University of Southern California. His research is focused on the comparative syntax of East, Southeast and South Asian languages, in particular Chinese, Japanese, Korean, Thai, Vietnamese, Burmese, Bangla and Hindi. He is the author of Wh-Movement and the Theory of Feature Checking (John Benjamins), the editor of Language and National Identity in Asia and Language and National Identity in Africa (Oxford University Press), and joint general editor of the Journal of East Asian Linguistics. He has published articles in Linguistic Inquiry, Language, Lingua, the Journal of East Asian Linguistics, Studies in Language, Language and Linguistics, and the Journal of the South East Asian Linguistics Society.