I think there's a lot of exciting research going on in the context of integrable systems (~Bethe Ansatz) and N=2 quantum field theories. However, some people are also working on integrability in N=4 theories, which might be relevant to the ideas in this article. It's a thought some people (including Arkani-Hamed) have expressed, but it's too early to tell.
You don't know any of Neitzke's grad students by any chance, do you? A certain fellow with a fondness for army boots and camo fatigues used to live down the hall from me at Caltech....
