The BLM Group (Wixom, Mich.) has made several changes to its staff. Todd O’Brien has been appointed product manager and will act as support for all of the company’s products by providing and evaluating time studies, field support and best-fit solutions for customers. Previously, Mr. O’Brien served as southwest regional sales manager for the company, a position that will be filled by David Cotton. The company has also appointed Matthew Bleck continuous improvement project manager. Mr. Bleck will be responsible for project management, lean manufacturing and continuous improvement efforts.