Theodore "Ted" Sider is an American philosopher specializing in metaphysics and philosophy of language.
He is the partner of Jill North, who is also hired by Rutgers' philosophy faculty.
Sider has published three books and some four dozen papers.
[1] He has also edited a textbook in metaphysics with John Hawthorne and Dean Zimmerman.
[3] He gave the John Locke Lectures at Oxford University in 2016.