Interested in entrepreneurship? The 2012 Mark Ain Business Model Workshop Series, free and open to the University community and general public, is designed to teach you how to write an effective business model plan in three sessions. The first workshop, “Overview of the Competition,” is hosted by the Simon Entrepreneurs Association, on Tuesday, Jan. 24, from 4:30 to 5:45 p.m. in Gleason 318/418. Food and refreshments will be provided. Register online or call 276-3500.