This document summarizes a presentation about "Themed Learning Communities" at Indiana University-Purdue University Indianapolis. It discusses three themed learning communities: the Geek engineering TLC focused on engineering problems and nanotechnology, the Preppy psychology TLC with a general psychology theme, and the Activist sociology TLC focused on social inequity. It also discusses using communication across the curriculum to enhance learning, different types of service learning, and lessons learned from the themed learning communities initiative.