Mark served honorably for four years on active duty in the Marine Corps infantry. Since the year 2000, he has spent much of his free time reading the great minds of the Austrian School of economics, such as Murray Rothbard, Henry Hazlitt, Ludwig von Mises, et al. In 2002, he ran for a municipal office and was endorsed by the Libertarian Party and Constitution Party. He has previously held a Series 3 license (i.e. futures and futures options broker license).