Costello Online MBA program

  • August 12, 2026

    At the beginning of 2026, Mike Derrios, MBA ’06, returned home to the Costello College of Business at George Mason University as the executive director of the Greg and Camille Baroni Center for Government Contracting.

  • August 11, 2026

    When Q Miceli saw that the Costello College of Business at George Mason University was offering the Executive Mentoring Program as part of the Costello MBA, she was all in. “I had just hit a point in my career where I started supervising more people and really wanted to get some perspective,” she says.

  • November 9, 2023

    The Donald G. Costello College of Business at George Mason University is committed to the active-duty military service members and veterans who come to Mason to enhance their education. We caught up with some military veterans who recently graduated from the Mason MBA program who shared the impact the MBA program has had on their career already, and how the Mason MBA could be beneficial for others.

  • October 11, 2022

    If you’re looking to fast track your skills and career potential, an MBA from George Mason University may be just what you need. Mason is conveniently located in the Washington, D.C. metro area, and our MBA program is designed to give working professionals intensive and personal learning experiences that can be applied on the job the next day.  

  • January 25, 2022

    George Mason University School of Business online MBA Program jumped 25 spots in two years with a new ranking of #98 nationally for Best Online MBA (#70 among public universities) from U.S. News & World Report.