He first came to prominence as a conductor on Broadway during the 1950s, notably earning a Tony Award nomination for his work as the music director of the original production of Leonard Bernstein's Candide.
[4] In 1954 he won the Tanglewood Music Center's inaugural Koussevitsky Memorial Prize in conducting which was presented to him by Aaron Copland.
[1] In 1974 he conducted a UW student production of Carlisle Floyd's Markheim which was recorded and broadcast nationally on PBS.
[1] From 1976 to 1991, Krachmalnick served as director of the opera theatre program and the symphony orchestra at the University of California, Los Angeles.
While there he played an instrumental role in shifting the school's focus from training music teachers to a more performance oriented program.
Some of the student productions he conducted at UCLA were the musicals Leave It to Jane and The Boys from Syracuse, and the opera Four Saints in Three Acts.