• Renewable Energy Group Inc. announced it has hired Todd Robinson as its first director of investor relations in an effort to increase its outreach to public and institutional investors. Robinson, who most recently was a senior vice president with HSBC Securities Inc., has more than 20 years of experience in banking, finance and treasury operations. An Iowa State University graduate, Robinson has previously worked for Pella Corp., DuPont Pioneer, Deloitte & Touche and Wells Fargo & Co. Based in Ames, Renewable Energy Group became a publicly traded company in January 2012.