Dr. Guo-Brennan's career has spanned over three decades in public, private, and non-profit settings including K-12 schools, local government, non-profit organizations, and institutions of higher education. This has allowed Dr. Guo-Brennan to develop scholarly and professional expertise in the following areas:
- Civic and Community Engagement
- Public Policy and Affairs
- Education policy
- Immigration policy
- Global Competency in local government
- Global Competency in higher education