Horvath is represented by the Drawing Room Gallery in East Hampton, New York and the Merola Gallery in Provincetown, MA and is an Academician of the National academy Museum and School. She has received numerous grants, awards, and fellowships, including a Fulbright Research Fellowship to India in 2013-14. Other awards include a Certificate of Honor from Tyler School of Art Alumni Association, the Anonymous Was a Woman Grant for Painting and a Prize for Painting from the National Academy Museum in New York City . Horvath received the Richard C. Von Hess Award for excellence as a teacher and mentor from the University of the Arts, Philadelphia, where she taight for five years. She received two Pollock-Krasner Foundation Grants and the Rome Prize Fellowship for painting by the American Academy in Rome. She was a Marie Walsh Sharpe Art Foundation “space program”resident. She received an NEA Regional Grant (Mid-Atlantic) and an Elizabeth Foundation Grant for Painting. The American Academy of Arts and Letters awarded her Richard and Hilda Rosenthal Prize as well as a Purchase Award for the Utah Museum of Fine Art. Horvath's first grant was a John Simon Guggenheim Memorial Fellowship for Painting. She was also a fellow at the Fine Arts Work Center in Provincetown.
Horvath received her BFA from Cooper Union in New York City and her MFA from the Tyler School of Art, Temple University in Philadelphia and Temple Abroad in Rome. She was awarded a Skowhegan School of Painting and Sculpture Scholarship by the Tyler School of Art. Since 1987, Horvath has shown her paintings and drawings in solo exhibitions in New York at Lori Bookstein Fine Art and Tibor De Nagy, Philadelphia, Boston, Provincetown and internationally and is represented in numerous public and private collections.