Charles Machine Works appoints chief executive

Charles Machine Works, maker of Ditch Witch equipment, has named Tiffany Sewell-Howard chief executive officer. The action was a title change, and Sewell-Howard will continue with her current responsibilities. She has been employed by Charles Machine Works for four years, working as chief operating officer, director of information technology and e-marketing manager. Sewell-Howard is the fourth generation of the Malzahn family to lead the 100-year-old company.