Timmons has performed internationally as both a solo pianist and ensemble artist, combining concert and recording projects with work as an international performing arts consultant. Offering performances and teaching on three continents, she has appeared in such venues as Carnegie Recital Hall, Merkin Hall, the National Gallery of Art in Washington, D. C., the Dame Myra Hess Series in Chicago, the American Consulate in Hamburg, the Bösendorfer Hall in Vienna, Catholic University in Santiago, Chile, and college and universities throughout the U. S. Timmons has toured throughout Germany, Switzerland, Austria, France, Spain, and Chile, and has performed under the auspices of the National Endowment for the Arts along with National Public Radio. Her seminal training as a pianist has been with György Sebök, Béla Bösörményi-Nagy, and Randolph Hokanson.