Critic and theorist of digital media. He is a professor in the Design|Media Arts department at UCLA, director of the Institute for Technology and Aesthetics (ITA), and founder of mediawork: The Southern California New Media Group.
Lunenfeld is a leading figure in digital aesthetic theory, set on establishing philosophical quandaries regarding digital technology and its role in art, design and culture. His most famous book, Snap to Grid incorporates traditional and continental theories of art to account for digital media. His work revolves around the discources of technology, aesthetics, and cultural theory, establishing the complexity of digital aesthetics while simultaneously categorizing it.