Stephanie X. Sejas-Castro

Graduate Professional Assistant

Digital Marketing; Content Creation; Social Media Management

Stephanie is a Graduate Professional Assistant at the School of Integrative Studies at George Mason University. A proud GMU alum with a bachelor's degree in Marketing, she is currently pursuing her Master of Business Administration (MBA) at the Costello College of Business.

In this role, Stephanie manages the school’s social media presence, overseeing content creation, scheduling, and posting. She also designs print marketing materials, including flyers, banners, and other promotional items, ensuring alignment with the university’s branding guidelines. Additionally, she updates the school’s website and assists professors in marketing their courses.

Outside of work, Stephanie enjoys journaling, spending time with family, and caring for their three dogs: Nacho, Lula, and Marie.

Education

B.S. in Marketing, George Mason University - Costello College of Business (2017)

Graduate Certificate in Business Fundamentals, George Mason University - Costello College of Business (2023)