How she shines: Diana Wilson exemplifies leadership, integrity, sustainability, and a commitment to lifelong development. Diana joined Supreme Maintenance Organization in 1996 as an Administrative Assistant and, through hard work, determination, and a willingness to continually grow, advanced through the organization to become Vice President of Business Development and a member of SMO’s Executive Team.
Diana is a leader of exceptionally high integrity. She approaches customers, coworkers, and business relationships with honesty, professionalism, and genuine respect. In her role as Vice President of Business Development, she has helped guide SMO’s growth while building long-term relationships based on trust. She leads by example and consistently represents the values and culture of our organization. Diana also gives back to the commercial cleaning industry through active industry service. She has served on the ISSA Sustainability Council since 2022, contributing her time and experience to efforts that promote environmentally responsible and sustainable cleaning practices. She also currently serves on BSCAI’s Membership Committee, helping support member engagement and the continued growth of the building service contractor community.
Perhaps one of the best examples of Diana’s commitment to personal growth is her dedication to education. She earned the industry’s Certified Building Service Executive (CBSE) designation in 2023. Then, after already achieving considerable professional success, Diana returned to college as an adult learner and earned her degree from the University of North Carolina (UNC) Greensboro in 2025. Her willingness to continue challenging herself and learning throughout her career is an example to others that professional and personal development never has to stop.
After nearly 30 years with SMO, Diana continues to grow, contribute, and lead. Her integrity, industry service, dedication to sustainability, professional development, and commitment to the cleaning industry make her an outstanding example of an influential woman in cleaning.
Years in the industry: 30 years
Job responsibilities: As Vice President of Business Development for Supreme Maintenance Organization (SMO), Diana Wilson leads the company’s sales and marketing efforts and is responsible for driving new business growth and achieving company sales objectives. She develops and manages prospective customer opportunities, oversees sales strategies and proposals, leads and supports the business development team, and works directly with prospective and existing customers to develop, expand, and strengthen relationships. Diana also collaborates closely with company leadership and operations on new account opportunities and startups, while representing SMO within the business community and commercial cleaning industry.
Career path: Diana’s career with Supreme Maintenance Organization began 30 years ago when she joined the company through a temporary agency as a receptionist. It quickly became apparent that she had a natural ability to connect with people and a talent for sales, so she was given the opportunity to move into a sales representative role. From there, Diana continued to grow in both responsibility and leadership, eventually becoming Vice President of Business Development. Her career progression reflects her strong work ethic, ability to build lasting relationships, and willingness to continually develop professionally. Diana also became the first non-owner to serve on SMO’s Executive Team, an important milestone that reflects the trust she earned and the impact she has had on the company’s growth and success.
Best advice received: The best career advice Diana has received is to find a great mentor and lean into their experience. She believes there is tremendous value in learning from people who have already faced challenges, made mistakes, and achieved success. Throughout her career, Diana has tried to remain open to guidance, learn from the experiences of others, and apply those lessons to her own growth and leadership.
Fun fact: People might be surprised to learn that Diana is an avid mountain biker. Outside of her professional responsibilities, she enjoys the challenge, adventure, and time outdoors that mountain biking provides. It is a side of Diana that reflects the same determination, energy, and willingness to take on challenges that she brings to her career.