Warner has collaborated with leading conductors including Vladimir Spivakov, Christoph Eschenbach, Andre Previn, Jesús López Cobos, Joel Smirnoff, Carlos Miguel Prieto, Charles Dutoit, Eiji Oue, Neeme Järvi and Michael Tilson Thomas.
American engagements have included appearances with the Chicago, Boston, Detroit, New World, Dallas and San Francisco Symphonies; and the Philadelphia, Minnesota and St. Paul Chamber Orchestras.
The Warner/Nuzova Duo, with pianist Irina Nuzova, performed the complete Beethoven cello sonatas at the Isabella Stewart Gardner Museum in Boston and The Phillips Collection in Washington D.C., as well as by special invitation at the U.S. Supreme Court in 2011.
In recent concert seasons Wendy Warner has been heard with the Wichita, Columbus(Georgia), Wyoming and Alabama Symphonies, at the Nevada Chamber Music Festival and in return engagements with the Orquesta Sinfónica Nacional in Peru with conductor JoAnn Falletta and the Xiamen Philharmonic in China.
A recipient of the prestigious Avery Fisher Career Grant, Warner teaches at the Schwob School of Music at Columbus State University in Georgia where she holds the Leah D. Hamer Distinguished Faculty Chair.