Delegate since 2023 and committee member. Ziegler represents District 9 in the House of Delegates and serves on the Environment & Transportation Committee, including its environment and local government subcommittees.
- Vice‑chair of the Howard County Delegation. She assists with county legislative priorities as vice‑chair.
- Active in women’s and environmental organizations. Ziegler is a member of the Women Legislators of Maryland and sits on the board of the Maryland Environmental Trust.
- Co‑sponsor of HB0221 on funding formulas. She co‑sponsored legislation adjusting student‑enrollment definitions for general education funding.
- Co‑sponsor of HB1020 to expand higher‑education innovation. Ziegler supported designating the Universities at Shady Grove as a regional community of innovation.
- Co‑sponsor of HB0837 promoting career‑focused education. She helped enact the More Opportunities for Career‑Focused Students Act requiring high schools to inform students about vocational opportunities.