She has been guest artist in solo and chamber music performances in International Festivals such as the 2002 American Liszt Society's Festivals 2002 in Washington, DC, and 2006 Georgia University; the Hamilton 2000, 2001, 2006 Great Romantics Festival in Canada; Buenos Aires 2000 IDRS Festival, and the 1999 Ravello Festival in Italy. Recent performances 2005-2006 include solo and chamber music performances in Brazil and Canada, plus New York and Maryland in the US.

Ms. Roldán has premiered numerous works by contemporary composers including Argentine composer Carlos Guastavino whose work she has championed since her early career. Other premieres include works by American composers Thomas Benjamin, Daniel Davis, Bryan Dykstra, Russell Nadel, and Luis Jorge Gonzalez. Nancy Roldán is member of the two-piano team Lester/Roldán, the violin-piano duo Roldán/Cueto, and founder of Alborada Chamber Music International.

The production of her CD, Horizons: Piano Music of Latin America was partially funded with a Faculty Development Grant from the Peabody Conservatory at The Johns Hopkins University and produced by Centaur Records, Inc. Other recordings include - among other, Music of the Americas (The Lester/Roldan Duo, first of four recordings for Centaur Records), On Wings of Angels with violinist José Cueto, and Celebrations, Music of Thomas Benjamin. Her most recent 2006 CD, is The Lester-Roldán Duo, a 30th year celebration.

Nancy Roldán is a graduate from the Universidad Nacional de Cuyo in Argentina and has received master and doctorate degrees from the Peabody Conservatory of the Johns Hopkins University, where she has taught since 1976. Nancy Roldán is on the Board of Directors of the American Liszt Society, president of the Baltimore-Washington Chapter of the Society, and founder/co-chair of the chapter's American Liszt Society/William Garrison Festival and Piano Competition hosted by College of Notre Dame of Maryland. In 2006, she was awarded a Peabody Conservatory Faculty Grant in recognition for her work and to support this festival/competition. In addition to her duties at the Peabody Conservatory, she maintains a private piano studio in Baltimore.