Jeff Ammon has joined 4M Building Solutions, assuming the role of regional manager. Also, Seth Wolfe has been promoted to be the company’s vice president of operations.

“We are excited for our continued growth and are looking forward to seeing these team member’s succeed in their new roles and responsibilities” says Karina Villasenor, 4M’s vice president of human resources.

4M Building Solutions is a full service janitorial housekeeping company headquartered in St. Louis. It has with operations across the Midwest, Southeastern and Northeastern United States.