Hollywood Stock Exchange has upped Brian Dearth to CEO and Steven Lehrhoff to prexy and chief operating officer, respectively. Dearth previously was HSX’s vice president of research, while Lehrhoff served as senior VP. Dearth and Lehrhoff will oversee strategic alliances with entertainment, new media and consumer product companies for HSX’s market research service, which is skedded to bow Feb. 20. The two also will head HSX’s corporate development and day-to-day operational management.“Steven and I are excited by the opportunity to take the business to the next level,” Dearth said. “We’re confident that by focusing on HSX’s strengths in market research and by leveraging our unique technology and marketing platforms, the company will continue to be successful,” Lehrhoff added.