John Neff's sculptures, photographic images, and collages meditate on the very processes of making and transforming meaning through material contact, the experience of the body, and the mediating mechanisms of technology. An artist and writer based in Chicago, Neff received an MFA from the University of Illinois at Chicago in 2001.

Lorelei Stewart, Director of Gallery 400 since 2000, has organized over 40 exhibitions, including the Joyce Award-winning exhibition Edgar Arceneaux: The Alchemy of Comedy...Stupid (2006). In 2002, she initiated the acclaimed At the Edge: Innovative Art in Chicago series, a commissioning program that encouraged Chicago area artists' experimental practices. She holds a BA from Smith College, a BFA from Corcoran College of Art and Design, and an MA in Curatorial Studies from Center for Curatorial Studies at Bard College.