Starting on page 9 of his 75-page bio [0], work for many firms and associations in many industries, including some that routinely produce particulate pollution such as e.g. American Petroleum Institute, National Mining Association, American Chemistry Council, Engine Manufacturers Association, Western States Petroleum Association, Philip Morris, Xcel Energy, Goodyear Tire, Exxon Biomedical Sciences, Mobil Oil, etc. is described. I know this guy has been working a long time, but he must have been
really busy to get all this stuff done!
[0] http://cox-associates.com/index_htm_files/Coxbio.pdf