Ryan Leidner is a San Francisco based Architect. He received his Masters in Architecture from Harvard's Graduate School of Design. While there he was a founding member and Design Director of the non-profit organization MASS Design Group, with whom he designed the Butaro Hospital and the Giribuntu School in Rwanda as well as other heath care facilities in Burundi. Additionally, he has worked in a range of offices including Morphosis Architects, Marmol-Radziner and AssociatesMaryann Thompson Architects, and Craig Steely Architecture. Since teaching at Harvard's Career Discovery Program, he has been a visiting critic at the University of Texas at Austin and the University of California at Berkeley and his work with MASS has been published in a variety of books and periodicals.