From Triangle Modernist Houses:
Ellen Cassilly holds a 1983 Bachelor of Environmental Design degree from Texas A & M University and a 1998 Master of Architecture degree from the University of Pennsylvania. She worked in Paris with Christian DePortzamarc, winner of the Pritzker Prize, from 1988-1992. After a six-week internship with Arata Isotaki in Tokyo, she worked locally for Lucy Carol Davis and Frank Harmon. At the latter, she did projects such as the North Carolina Museum of Art Amphitheater.