If you're interested in applying functional programming to real world problems, then you should consider joining us at CUFP, the Commercial Users of Functional Programming workshop. It's colocated with ICFP, which is in Tokyo this year. CUFP involves tutorials on a variety of FP topics, a day of talks from people who have been putting FP to work, as well as BOF sessions in the evenings.
One of the tutorials will even be given by yours truly. I'm giving a tutorial on Jane Street's Core library.
Note: the deadline is August 15th if you want to get reduced early registration fees.