Mary Mullen

Mary Mullen is a seasoned operations executive with more than 17 years of experience in the janitorial services industry and a record of driving performance, retention, and client satisfaction. As Vice President of Operations at OpenWorks, she is known for optimizing processes, building cohesive teams, and delivering innovative solutions that improve results across complex accounts. Mary’s leadership philosophy centers on collaboration, accountability, and continuous improvement, and she has earned recognition for operational leadership. Her commitment to mentoring talent and applying industry-leading practices helps strengthen service excellence, safety, and long-term growth.