At Illinois State University, Truesdell studied alongside most of the original actors of Steppenwolf Theatre and other successful artists and writers like playwright Jim Sherman.
His first play was a reader’s theatre style adaptation of Margery William’s The Velveteen Rabbit published originally by Contemporary Drama Service, becoming one of their best-sellers for many years.
Truesdell acted professionally in Boston in the 1990s, in three stage productions and two industrial films. That's when William Truesdell became his stage and pen name. During this period, he studied fiction writing under novelist George V. Higgins, resulting in several short stories.
A highly regarded arts marketing and management executive, he has served many organizations in Chicago, Boston, Cleveland, and Kansas City. From 2002 to 2016 Truesdell lived in Kansas City where his play Sparts Radio was staged and favorably reviewed by the Kansas City Pitch. It evolved over time to become For the Love of Arts, and Ericka.
Truesdell is currently writing a historic novel about the Bugatti family of artists and legendary auto designer.