Apache named Gary T. Clark as vice president of investor relations. He joins Apache from Chesapeake Energy, where he was the vice president of investor relations and research. Before joining Chesapeake in 2012, Clark worked as a senior securities analyst at the State Teachers Retirement System of Ohio and as a co-portfolio manager at Dynamis Advisors. He also worked as a senior explorati on and production coverage research analyst at Stifel, Nicolaus & Company. Clark began his career in Apache’s treasury department in the early 1990s. He holds a chartered financial analyst designation and a degree in business administration/finance from the University of Colorado at Boulder.