Originally from Cleveland, Ohio, Thomas worked for many years as an actor with directors and playwrights including Tom O’Horgan, Edward Cornell, Terry Gilliam, Peter Hedges, John Vaccaro, Maria Irene Fornes, Jeff Weiss, Sharon Ott, Clifford Williams, Kathryn Long, and Ellen Stewart.
The Creative Producer for the Drama League-nominated Off-Broadway revival of Tennessee Williams’ comedy The Mutilated 2013, Keith has served as a dramaturg for The Sundance Institute Theater Lab, a judge for The Kennedy Center College Theater Festival, and reader for the Yale Drama Prize. He has taught theater and acting at Ohio University and Lee Strasberg Institute, currently at Pace University and the Atlantic Theater Company Acting School.
Consulting Editor for New Directions Publishing, Keith has edited over sixteen titles by Tennessee Williams titles for New Directions since 2001, including two full-length later plays and three volumes of previously unpublished or uncollected one-acts. He has written extensively on Williams for American Theater Magazine, Tenn at One Hundred, The Later Plays of Tennessee Williams, The Tennessee Williams Encyclopedia, and Tennessee Williams and Europe among others and is the co-editor of The Selected Letters of Tennessee Williams and James Laughlin, forthcoming from W.W. Norton in 2016. He serves as Literary Director for the Provincetown Tennessee Williams Theater Festival and is an advisor to the Williams Festivals in New Orleans and St. Louis, and The Tennessee Williams Theatre Company of New Orleans.