Program Description

Ranked Top 60 of U.S. News & World Report’s Best Online MBA Programs, 2026
Ranked Top 35 of U.S. News & World Report’s Best Online MBA Programs for Veterans, 2026
Connect to America’s epicenter of policy, economy, and thought leadership with an online MBA from the Costello College of Business at George Mason University. We are cultivating the next generation of business, government, and public institution pioneers. The Costello Online MBA equips students with a diverse skill set and global perspective to solve a wide range of complex organizational challenges.
Students develop their analytical, managerial, and interpersonal skills in a rigorous, engaging business and management curriculum. The Costello Online MBA program adheres to AACSB accreditation requirements and emphasizes four primary areas of study:
- Collaborative Communication and Leadership
- Knowledge of Functional Business Disciplines
- Analytical Decision Making
- Contemporary Issues in Business
Global Residency Option
Online MBA students have the option to participate in our Global Residency program. Spend a week abroad; visit and study companies in a foreign country while completing a team project and gaining a transformative view of business from another country’s perspective.
Graduate Certificate in Business Analytics (BA)
The optional Business Analytics Graduate Certificate can be integrated into the MBA curriculum. Earn an additional, credentialed skillset immediately upon graduating with a focus on the collection, study, and delivery of data to make better business decisions and predictions.
Online Student Experience
As a Costello Online MBA student at George Mason University, you are able to learn in a flexible online environment allowing working professionals to access the curriculum from anywhere. Learn more about what you can expect from this program by viewing this video highlighting the online student experience.