Nona moved with her husband Mark Sullivan to Jackson from New York City in 2003.
Nona is at once a practicing Architect and a partner with Peggy Gilday in the firm GYDE Architects. She is also the Co-Founder, Owner, Designer and CEO of a cutting edge greenhouse, Vertical Harvest of Jackson Hole. These endeavors embody Nona’s efforts to pursue projects that are able to have a profound impact on communities based on architectural, economic and social innovation.
Nona has served on the board of the Grand Teton Music Festival, and was a founding member of its young patron group, Bravo! Ms. Yehia is also actively involved in KHOL, Jackson Hole Community Radio, a board member of the Art Association and is a former advisory board member of the Jackson Hole Film Festival. She also received the Rising Star Award from the Jackson Hole Chamber of Commerce in 2011. Nona and Mark have 2 young children and enjoy the range of outdoor and cultural activities Jackson Hole has to offer.