Joni Ernst was born in Red Oak, Iowa, and grew up on a farm. She earned a degree from Iowa State University and a master's degree from Columbus College, then served in the Iowa Army National Guard for over two decades, including a deployment to Kuwait during Operation Iraqi Freedom. Ernst served in the Iowa State Senate before being elected to the U.S. Senate in 2014, becoming the first female combat veteran elected to the Senate and the first woman elected to federal office from Iowa.
Ernst serves on the Senate Armed Services Committee and the Senate Agriculture, Nutrition, and Forestry Committee, where she is a senior member. She has been a prominent advocate for military families, veterans' health care, and government spending reduction. Ernst chairs the Senate Republican Policy Committee and has focused on cutting wasteful federal programs, strengthening the military, and supporting agriculture and rural communities in Iowa.
- Senate Committee on Agriculture, Nutrition, and Forestry
- Subcommittee on Conservation, Forestry, Natural Resources, and Biotechnology
- Subcommittee on Livestock, Dairy, Poultry, and Food Safety
- Subcommittee on Rural Development, Energy, and Credit — Chairman
- Senate Committee on Armed Services
- Subcommittee on Cybersecurity
- Subcommittee on Emerging Threats and Capabilities — Chairman
- Subcommittee on Personnel
- Senate Committee on Homeland Security and Governmental Affairs
- Subcommittee on Disaster Management, District of Columbia, and Census
- Subcommittee on Border Management, Federal Workforce, and Regulatory Affairs
- Senate Committee on Small Business and Entrepreneurship — Chairman
- SRES. 916: A resolution designating the week of September 21, 2026, as the "Ray Gaesser Memorial Farm Safety Week" to recognize the life and legacy of Ray Gaesser, who passed away in a tragic farming accident, and promote farm safety in the honor of Ray Gaesser. — Introduced
- S. 5314: No Cash for Cohabitating Kins of Crooks Act — Introduced
- S. 5294: Keeping China Off the Rails Act of 2026 — Introduced
- S. 4952: Protecting American Taxpayers Act — Introduced
- S. 4891: Preventing Fugitive Fraudsters Act — Introduced