Kazys Varnelis is the Director of the Network Architecture Lab at the Columbia University Graduate School of Architecture, Planning, and Preservation. In 2005-2006 he was a visiting scholar at the University of Southern California's Annenberg Center for Communication's "Networked Publics" program.

Kazys is also a member of the founding faculty at the School of Architecture at the University of Limerick, Ireland. Together with Robert Sumrell, he runs the non-profit architectural collective AUDC and occasionally works with the Center for Land Use Interpretation.

His site, varnelis.net is here.