Subrahmanyam M. Kota is a computer scientist who was arrested and convicted of espionage in 1996. His ties to Michael Flynn raised attention because Kota was convicted of attempting to sell scientific information to the KGB. Flynn was a member of the Advisory Board to Brainwave Science, run by Kota.

Trump Aide Partnered with Firm run by man with alleged KGB ties
https://www.bloomberg.com/news/articles/2016-12-23/trump-aide-partnered-with-firm-run-by-man-with-alleged-kgb-ties

[catlist name=subu-kota]