Lean IT is defined by Mike Orzen, a Lean Enterprise Institute faculty member.
Orzen will teach the Lean IT full-day workshop, May 17, in Chicago: http://www.lean.org/Workshops/WorkshopDescription.cfm?WorkshopId=52
This excerpt from the workshop slide deck also has questions for you to answer in order to have an information technology operation based on lean management principles.
Among other topics, the workshop will address how to apply lean startup thinking and behavior to every activity in every business function in any industry. The session also includes case studies and exercises.
Learn more about Mike, the workshop's benefits, and what past attendees have said about it here: http://www.lean.org/Workshops/WorkshopDescription.cfm?WorkshopId=52