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The School of Business is now the Donald G. Costello College of Business

As of November 1, 2023, the School of Business is now the Donald G. Costello College of Business at George Mason University in recognition of Mr. Costello’s legacy of supporting university students studying business and entrepreneurship.

Undergraduate Programs

Graduate Programs

Graduate Certificates

Executive Education

Learn here. Lead anywhere.

Change your world with a business degree or certificate from the Donald G. Costello College of Business at George Mason University. We enable your future success in a wide range of business careers—through knowledge creation, research, and experiential learning.

Discover how we can help you reach your goals.

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About the Donald G. Costello College of Business

The Costello College of Business emphasizes student experience and career readiness via public, private, and academic partnerships, leveraging the natural advantages of the northern Virginia and greater Washington, D.C. region.

Undergraduate Admissions

Graduate Admissions

Costello College of Business News

School of Business to be named in Honor of Donald G. Costello

Headlines

The Donald G. Costello College of Business scholarship luncheon brings together recipients and donors
November 28, 2023
Accounting alumna returns to school and finds opportunity with Grant Thornton
November 20, 2023
Meet Master’s in Finance program director Tiago Requeijo 
November 16, 2023
ISOM alum graduates top of his class at the United States Air Force’s Undergraduate Cyber Warfare Training program
November 15, 2023
Get to know MBA Student Ambassador John Davis
November 14, 2023

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Impactful Scholars

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Our faculty publish regularly in top-tier disciplinary journals, are cited by the press, and are actively engaged in making discoveries to address a wide set of societal and institutional challenges.