He is best known for dancing with the Ballet Russe de Monte Carlo and for his work as a faculty member at Butler University.
He spent time in Minneapolis, Minnesota, teaching dance, performing, and choreographing for the St. Paul Civic Opera Company.
[4] During Verdak's 25 years at Butler Ballet, he directed student performances and taught dance history and choreography.
The program included an excerpt from Igor Stravinsky's Pulcinella known as "Pergolesiana", an original dance called Three Todays, and the third act from the ballet Raymonda.
[9][10] In 1977, he directed a performance for the Indianapolis Ballet Theatre of selections from The Nutcracker and Sleeping Beauty at McHale Auditorium in Logansport, Indiana.
[16][1] His collection of costumes, sets, and other pieces from the Ballet Russe de Monte Carlo have been the source of a legal dispute between Verdak's heir and Butler University.