Global Facility Solutions was founded by Robert K. Calloway, P.E., to provide clients with unbiased solutions to issues concerning their buildings. Our team of professional engineers and building operations consultants have hands-on, in-field experience working with existing building systems to enhance facility operations and reduce energy consumption. Our specialists bring in-depth knowledge of commissioning services, retro-commissioning, design engineering and HVAC system troubleshooting to ensure that your project is a success.

GFS Founder

Robert K. Calloway

Robert K. Calloway, P.E., CxA, CDSM


Robert K. Calloway is the Founder and President of Global Facility Solutions. He established GFS in 2006 to provide independent and objective facility solutions to the commercial, industrial and government marketplaces. Mr. Calloway has successfully grown GFS from a one-person business to a multi-employee firm serving Fortune 500 companies and Federal and State Government agencies nationwide.

Mr. Calloway has over 30 years of experience in energy and engineering solutions as an engineer, a project manager and an executive. His skills include SPECIAL_SKILLS_200wmechanical design engineering, energy project development, project management, sales and marketing, and client acquisition.

Prior to founding Global Facility Solutions, Mr. Calloway worked for several national energy solutions companies including Honeywell, Custom Energy and Strategic Energy. He served as Regional Manager of Business and Operations at Select Energy Services where he oversaw a $28 million per year business and over 40 team members.

Mr. Calloway graduated from Drexel University (Go, Dragons!) in Philadelphia, Pennsylvania, with a Bachelor of Science in Mechanical Engineering. He is a Registered Professional Engineer in multiple states and the District of Columbia.

When he’s not helping to reduce operating costs or improving energy efficiency, he enjoys mountain biking, scuba diving, attending his daughters’ college lacrosse games and  spending time with his family.