Choi works with computer programming, drawing, and writing, oftentimes in collaboration with fellow artists, experts and community members. He believes in the intersectionalities of art, activism, education and works on disability-rights, environmental justice and anti-racism. He co-founded School for Poetic Computation in 2013 where he continues to organise and teach experimental classes.

Recently, he collaborated with Nabil Hassein and Sonia Boller to organize the Code Ecologies conference about the environmental impact of technology. He co-organised the first New York Tech Zine Fair with Mimi Onuoha to support independent publishing about technology. He collaborated with Cori Kresge, Jerron Herman, stud1nt, Chancey Fleet and numerous stewards on the project, Distributed Web of Care.

Through his diverse practices, Choi seeks a sense of gentleness, magnanimity, justice, solidarity, and intellectual kinship. His projects, participatory workshops, performances, and installations were presented at New Museum, Whitney Museum of American Art, Los Angeles County Museum of Art, Smithsonian Asian Pacific American Center, Van Alen Institute, M+ Museum and more. He participated in Shanghai Biennale, Mediacity Seoul Biennale, Istanbul Design Biennale and Biennale Architettura 2021. He was an artist in residence at Eyebeam Art and Technology Center, Lower Manhattan Cultural Council, Frank-Ratchye Studio for Creative Inquiry, Pioneer Works, NEW INC, Data and Society and Centre for Heritage, Arts and Textile. He contributed to alternative education such as the Public School New York, Occupy University and Triple Canopy Publication Intensive. He taught at the New York University, Parsons School of Design | The New School, The City University of New York and the University of Seoul.