Writer, director, and co-founder of the August Wilson Monologue Competition, a national program aimed at integrating Wilson’s work into high school curricula. He began working with August Wilson during the 1999 world premiere of King Hedley II at Pittsburgh Public Theater and they worked together from then on in theatres around the country including Huntington Theatre Company, Seattle Repertory Theatre, Mark Taper Forum, Goodman Theatre, Yale Repertory Theatre, Center Stage in Baltimore and The Kennedy Center.
On Broadway, he was Wilson’s dramaturge for Radio Golf and Gem of the Ocean and Associate Director of the Tony Award winning revival of Fences in 2010. as well as working with August Wilson on the screenplay adaptation of Fences Together, they conceived How I Learned What I Learned, a solo show that Kreidler directed with August Wilson performing at Seattle Repertory Theatre in 2003, and more recently at Off Broadway’s Signature Theatre and at Pittsburgh Public Theater. He wrote the musical fable Holler If Ya Hear Me, featuring the lyrics of Tupac Shakur that premiered on Broadway. His stage adaptation of the film Guess Who’s Coming to Dinner ran at Arena Stage in Washington, DC and premiered at True Colors Theatre Company in Atlanta. He has written Apollo 11, The Immersive Live Show and is currently writing a musical with Nikki Sixx, based on Sixx’s music and memoir, The Heroin Diaries.