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Christos Building Services


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Mario Flores
Senior Vice-President of Operations

Mr. Flores has been with Christos Building Services for over 20 years. He has had extensive experience in building management and began his cleaning and operations career in 1992. Mr. Flores directs all aspects of company operations including estimates, scheduling, project management, quality control, business development and customer relations.

Mr. Flores oversees his team of Directors of Operations and together they combine their management skills as well as industry skills in cleaning, painting and maintenance to offer the highest standards of quality control in the industry to every property that Christos Building Services serves.

Cell phone: 703-898-1794
Dimitri Kouretas
Vice-President Christos Building Services

Mr. Kouretas has been with Christos Building Services for over 6 years. He received his B.A. degree from the University of Rochester in 1995 and his law degree from George Washington University in 2001. He has over 10 years experience in practicing law in the Washington Metropolitan area.

Mr. Kouretas is also the Human Resource director and his responsibilities include accounting, contract administration, business development, customer relations and overall office management. Mr. Kouretas brings a wealth of experience, education and overall knowledge to the Christos Building Services team which contributes to the success of the company as a whole.
Miguel Escobar
Director of Operations — Common Area Division

Mr. Escobar has been with Christos Building Services for over 10 years. Along with his team of area directors, Mr. Escobar manages hundreds of daily porters who specialize in the daily cleaning and maintenance of multiple apartment and commercial buildings.

Mr. Escobar is skilled in managing the daily requirements needed to keep our properties clean to the highest of industry standards. He achieves this goal through our strict quality control program and attention to detail.

Cell phone: 703-928-2629
Rocky Rosales
Director of Operations — Maintenance Division

Mr. Rosales had been with Christos Building Services for multiple years. He brings significant experience in building maintenance, repairs and personnel management. Mr. Rosales oversees multiple maintenance crews on both large and small scale projects. Along with his management team, Mr. Rosales ensures meeting the industry.s high standards in maintenance quality control and management.

Cell phone: 240-372-5167
Yvonne Kelley
Vice-President — Customer Relations

Yvonne has several years of experience in the multi-housing industry. She is uniquely qualified to serve as liaison between our field operations and our customers, both existing and prospective. Yvonne will make sure our high standards of service are met at every property we service.

Cell phone: 703-989-7416
Yami Abarca
Office Manager

Yami has been with CBS for over 15 years. Her knowledge of our customers and deep appreciation for their needs makes her the perfect switchboard for property managers and employees alike. Yami ‘s hand is in every aspect of the office operation, from scheduling to invoicing.


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