[2][3] Formally, Haggag was the President and CEO of United States Artists (2017–2020),[4][5][3] and was Executive Director of The Contemporary (2013–2017) in Baltimore, Maryland.

[12] From 2017 until May 2020, Haggag served as the President and CEO of United States Artists in Chicago, which provides US$50,000 "fellowships to artists working in architecture and design, crafts, dance, literature, media, music, theater and performance, traditional arts, and visual arts.

[15] Additionally, under her leadership, The Contemporary commissioned four-award-winning large-scale art projects, including "Bubble Over Green" by Victoria Fu; "Ghost Food" by Miriam Simun; "Only When It's Dark Enough Can You See The Stars" by Abigail DeVille; and "The Ground" by Michael Jones McKean.

At Vogue, Rebecca Bengal praised Haggag's role in national efforts to protect arts funding:[16] As arts funding faces a devastating blow, it's an ominous time to be an artist or to take a leading role in nonprofit fundraising, but it's also a time when the arts need a fresh kind of fire, something that Haggag embodies with passionate devotion and an approach that feels both thoughtful and innovative.

At 30, she is considerably younger than most of her peers, coming off a career largely focused on curating in New York City, Cairo, and Baltimore, where she most recently headed the traveling museum The Contemporary.Haggag was named Artistic Director of the 2020 Seattle Art Fair, founded by Paul Allen in Seattle, WA, before it was cancelled due to the Covid-19 pandemic.