Roger Marshall was born in El Dorado, Kansas, and earned his medical degree from Kansas University School of Medicine, going on to practice as an obstetrician and gynecologist in Great Bend for over two decades. He was elected to the U.S. House of Representatives in 2016, representing Kansas's 1st congressional district. Marshall won Kansas's U.S. Senate seat in 2020 and took office in January 2021.
Marshall serves on the Senate Agriculture, Nutrition, and Forestry Committee and the Senate Health, Education, Labor, and Pensions (HELP) Committee, where his medical background informs his work on health care and rural health policy. He has been a strong advocate for Kansas farmers and ranchers, supporting commodity programs, trade agreements, and water policy critical to western Kansas agriculture. Marshall has also focused on government spending reduction and border security.