Kuljurgis, Mona

Ernie Clark Jr., CBSE, is the president of Mister Kleen Maintenance Co., a leading provider of contract cleaning services to commercial and high-security facilities in the Washington, D.C., area. He has been active in the family business since his parents started it in 1976, working from the entry level up to his current position.

An industry leader in establishing best practices, Clark is actively involved in many business groups and has been the recipient of numerous community-service and industry awards. He holds the highest professional designation in his field, Certified Building Servi...