Aventine Renewable Energy Holdings, which produces and markets ethanol to energy companies, has named Calvin Stewart as chief accounting and compliance officer, effective as of Nov. 12.

Stewart joined Aventine in September 2010. Prior to that time, Stewart held increasing roles of responsibility at White Energy, an ethanol production company, where he most recently served as chief financial officer.

From August 2004 to June 2006, Stewart served as manager of technical accounting and senior manager of corporate accounting at Dresser, a global manufacturer of highly engineered energy infrastructure and oilfield products and services. Earlier in his career, Stewart also held managerial roles at Siemens Maintenance Services and Morningstar Foods, a dairy food and beverage manufacturing and distribution services provider.