Delegate since 2011 and committee vice‑chair. Cullison serves as vice‑chair of the Health & Government Operations Committee.
- Member of ethics and rules committees. She sits on the Joint Committee on Legislative Ethics and the Rules & Executive Nominations Committee.
- Former deputy majority whip and deputy speaker pro tem. Cullison previously served as deputy majority whip (2013‑18) and deputy speaker pro tem (2020‑23).
- Leader in Women Legislators and member of caucuses. She co‑chairs the Women Legislators of Maryland’s legislative committee and belongs to the Latino and LGBTQ+ caucuses.
- Co‑sponsor of HB0837 on career‑focused education. Cullison co‑sponsored the More Opportunities for Career‑Focused Students Act.
- Advocates for healthcare access and student well‑being. Her legislative agenda emphasizes healthcare access, mental health services and teacher pensions.