A leading provider of contract cleaning services to commercial and high security facilities since 1976

Meet the team

Executive Team

Ernie Headshot RESSErnest Clark, Jr., CBSE, President

Ernest (Ernie) Clark, Jr., CBSE is President of Mister Kleen Maintenance Co., Inc.  Active in the family business since its inception, Ernie has worked from the entry-level up.  Starting with the company as a general cleaner and later as a high rise window washer, he has worked and learned all aspects of the business. He was promoted to Vice President in 1987 and to President in 1990.  Ernie has spent a great deal of his time volunteering to enhance and improve the professionalism of the building service contracting industry. He is a Past President of the Capitol Association of Building Service Contractors (CABSC). In 1993, the Building Service Contractors Association International (BSCAI) presented Ernie the highest professional designation in the industry – Certified Building Service Executive (CBSE).  In 1998, he was inducted into The President’s Club of BSCAI, for his commitment to the industry.  Ernie has served two terms on the board of BSCAI.  In 2005 he was elected as an Officer and 2008 he served as President of BSCAI.  In 2010, Ernie was the proud recipient of the James E. Purcell Leadership Award.  This award is presented each year by BSCAI giving recognition of long-time service to the Association and the building service contracting industry.  He was also the recipient of the prestigious Walter L. Cook Award.  The Walter L. Cook Award is given to a BSCAI member who has made outstanding contributions in furthering the programs and image of the Association and the building service contracting industry.

Dianna Headshot RESSDianna L. Clark, RBSM, Vice President of Operations

Dianna started with Mister Kleen in 1980 as an on-site cleaning supervisor and has worked in all facets of the business.  She was promoted into an operations’ management position in 1990, and ultimately to Vice President of Operations.  Dianna holds the highest professional certification for a manager in the cleaning industry—Registered Building Service Manager (RBSM).  In addition, Dianna is a Past President of the Capitol Association of Building Service Contractors (CABSC). She interacts daily with our clients and is responsible for overseeing all janitorial operations of Mister Kleen.  Our field managers’ report directly to Dianna daily to ensure quality control at all levels of our operation.

Danyelle Headshot RESSsDanyelle Clark, Vice President of Security

Danyelle “officially” joined the team in early 2002, after working more than fifteen years at ExxonMobil Corporation.  She joined the company to head up our ever expanding high security sector.  She is our primary representative to this industry and oversees all of the security related matters for Mister Kleen.  She is an active member of the National Classification Management Society (NCMS).

ADAM HEADSHOTAdam Steiner, Chief Operating Officer

Adam joined the Mister Kleen team in early 2015 as our Chief Operating Officer (COO). He is a seasoned business professional with over 20 years of experience leading various service and supply companies to achieve positive growth. Adam is an integral part of our team and works closely with all departments to help drive improved business results. Adam has a proven track record of success in the services industry which proves to be invaluable in helping Mister Kleen meet our strategic goals and objectives. He is also an active member of The Young Presidents’ Organization (YPO). Adam has a Bachelor of Science & Business Administration with a minor in Management Information Systems from Washington University in St. Louis.

Marie HeadshotMarie Murray, Vice President of Finance

Marie joined the Mister Kleen team in 2013. She brings 28 years of extensive financial operations experience, which includes prior successful stints as a CFO and Controller.  At Mister Kleen, Marie works on all aspects of the company’s operations to manage profitability, which include but are not limited to financial statement analysis; back office operations; accounting theory; budgets and forecasts.  Marie has a Bachelor’s of Science degree in Accounting from American University in Washington, D.C.

Management Team

Chad Headshot RESChad Clark, RBSM, Director of Sales & Marketing 

A member of the third generation of the Clark family, Chad has been involved in the family business most of his life working from the front-line & succeeding to the management level. Chad has a strong level of knowledge in all areas of cleaning & restoration, particularly in specialty services for which he earned certification in carpet cleaning from the IICRC (Institute of Inspection Cleaning and Restoration). In 2006, Chad earned the prestigious RBSM certification. Over the years with Mister Kleen he has served as Customer Service Manager, Director of Operations and most recently Director of Sales & Marketing.

Christy HeadshotChristy Clark, RBSM, Director of Field Services 

Christy represents the third generation of Clarks’ at Mister Kleen. She worked part-time while attending school and became a full-time team member in 1997.  Over the years with Mister Kleen Christy has served as Director of Residential Services, Director of Special Services and most recently Director of Field Services.  Christy holds the RBSM Certification, as well as certification in Mold Remediation, Water Restoration, Carpet Cleaning, Stone Masonry and Tile flooring.

Joyce GarnerJoyce Garner, Area Manager

Joyce has nearly 30 years of janitorial experience.  Joyce began her journey with Mister Kleen in 2010 as a full-time supervisor to continue with her passion and love for cleaning.   In 2014 she was promoted to Area Manager in which she now oversees all contract cleaning services for one of Mister Kleen’s largest partners and always ensures our clients’ needs and priorities are met.

Danilo HeadshotDanilo Ponce, Area Manager

Danilo has over 20 years of industry experience and has been with the Mister Kleen team since 2008. Danilo is responsible for ensuring his client accounts are well staffed, supervised and in compliance with all policies and procedures. Performance, quality control and client relations is Danilo’s top priority—with his team they always exceed expectations. Danilo insists that each day is never the same which makes work at Mister Kleen always exciting and challenging.

Yolanda HeadshotYolanda Rathbone, Area Manager

Yolanda joined the Mister Kleen team in 2008 and is responsible for staff supervision, contract performance, quality control and client satisfaction. Yolanda is in charge of ensuring her customer accounts are in compliance with the established budgets, and that her team exceeds client expectations with janitorial services. Yolanda prides herself in developing strong relationships with her clients to anticipate her client’s needs with ease.  Yolanda holds a Bachelor’s Degree in Sociology.

Ray SheetsRay Sheets, Area Manager

Ray joined Mister Kleen as a Project Manager in 2012 and has since been promoted to an Area Manager.  Ray manages and oversees millions of square feet of commercial office space requiring U.S. government clearances. He is in charge of ensuring our clients’ needs and priorities are met. Ray is also responsible for overseeing on-site operations, staffing, training, and making sure all policies and procedures are being met.  Ray is a retired RM/IT Specialist from the U.S. Navy where he worked for 20 years.