J. Mark Hollingsworth became both VP and General Counsel of Contran Corporation (and Valhi Inc.), since 1998. Other companies where he holds top executive roles currently include: VP of CompX International Inc. (since May 2007) as well as its General Counsel (since 1996). Vis-à-vis Contran, Hollingsworth has been a legal counsel of various companies related to the firm since 1983. In other words, he has been connected to the company for many years in various capacities.