TSCM speaker wanted in Cincinnati area

I am an information security professional and also on the board of the= Cincinnati ISSA (www.issa-cincy.org) = , an information security professional organization. I have been trying to assis= t the group in expanding our topics of discussion that is inlcusive of other type= s of security related issues. One topic that I am interested in pursuing is on= surveillance and counter surveillance techniques (TSCM). A couple things go= t me interested in talking more on the topics including Ira Winkler's book "Spie= s Among Us" where he highly recommends bug sweeps of conference rooms and off= ices on a regular basis. I then realized, I have no idea about corporate espiona= ge, and how to assist in defending against it.