Philip Middleton Williams has written over fifty plays ranging from one-minute to full-length. "A Moment of Clarity" and "A Life Enriching Community" were finalists in the City Theatre National Award for Short Playwriting. "All Together Now" won first place in the 2016 Playgroup playwriting contest and was produced as part of the Willow Theatre 2017-2018 season. "Can’t Live Without You" was his first play to receive a New York production at the Manhattan Repertory Theatre in January 2008, and was produced by The Playgroup for their 2018-2019 season at The Willow Theatre in Boca Raton, Florida. Three monologues from this play are included in the anthology "The Best Men's Monologues from New Plays 2019," published by The Applause Acting Series.

His work has been seen in the South Florida One-Minute Play Festivals, the Midwest Dramatist Conference, the William Inge Theatre Festival New Play Labs, Bartell Theatre of Madison, Wisconsin, Odenbear Theatre of Taos, New Mexico, Theatre Roulette of Columbus, Ohio, the Short+Sweet Festival of Sydney, Australia, the Valdez Theatre Conference of Alaska, Vermont Pride Theater, Silver Tongued Stages of Miami, Seaside Players of Lauderdale by the Sea, Theatre Arts Productions of Palm Beach, Open Eye Theater of Margaretville, New York, and Bendigo Theatre Company of Bendigo, Victoria, Australia. He is the author of the novel "Bobby Cramer," and has two other works in progress: "The Purer, Brighter Years" and "Small Town Boys."

He has a B.F.A. in drama from the University of Miami, an M.F.A. in theatre from the University of Minnesota-Twin Cities, and a PhD in playwriting and dramatic criticism from the University of Colorado. In 1992 he was appointed to the national advisory board of the William Inge Theatre Festival. He has written numerous articles on the works of William Inge and Lanford Wilson and contributed to "The Facts on File Companion to American Drama," edited by Jackson R. Bryer and Mary C. Hartig. His doctoral thesis, "A Comfortable House – Lanford Wilson, Marshall W. Mason and the Circle Repertory Theatre," was published by McFarland and Company in 1993.

He is a member of the Dramatists Guild.