He then starred in the original Off-Broadway Eating Raoul at the Union Square Theatre and played Paul Bland.
He starred in Redhead at the Goodspeed Opera House in East Haddam, Connecticut as George Poppett.
[2] He was in the original cast of Taking a Chance on Love at the York Theatre in 2000, which he won an Obie Award.
[3] He was then cast in the original production Wicked as a swing and then an understudy for Doctor Dillamond and The Wonderful Wizard of Oz in 2003.
2006 saw Korbich return Off-Broadway to be in the limited run of The Most Happy Fella at Lincoln Center's State Theatre as the Doctor.
Afterwards he went back to the role of George in The Drowsy Chaperone as it opened on broadway, earning him a Drama Desk Award nomination for best-featured actor.
In February 2011 he was Gus/Growltiger and Bustopher Jones in Cats at Musical Theatre West in Long Beach, California.