CUFP (Commercial Users of Functional Programming) is a yearly workshop (associated with ICFP) where functional programmers come together to share ideas, and this year the workshop is going to be in Tokyo. If you have experience putting functional programming to work in solving real-world tasks, you should consider submitting a talk proposal to CUFP.
You can find the call for participation here. We're soliciting both experience reports (summaries of experiences in using FP in the real world) and in technical talks (covering a particular technique or methodology that's relevant to the practical application of functional languages.)
But CUFP isn't just about talks --- there's will also be a set of invited tutorials covering a range of topics, as well as a more informally arranged set of BOFs. So, if you care about applications of functional programming, you should consider participating, either as a presenter or as an attendee.