Dan Sullivan is the junior United States Senator from Alaska, having served in the Senate since 2015. A member of the Republican Party, he was born in Fairview Park, Ohio, in 1964 and is a graduate of Harvard University and Georgetown University Law Center. He is a colonel in the United States Marine Corps Reserve and has been deployed multiple times. Before his election to the Senate, he served as Alaska's Attorney General under Governor Sean Parnell and as Assistant Secretary of State for Economic, Energy, and Business Affairs under President George W. Bush.
Sullivan sits on the Senate Armed Services Committee and the Senate Commerce, Science, and Transportation Committee, where he has been a strong advocate for Arctic security, Alaskan fisheries, and the state's military installations. He has focused heavily on national defense, the Indo-Pacific strategy, and the importance of the Arctic as a strategic theater. His military background and committee assignments have made him a prominent voice on defense and foreign policy within the Senate Republican caucus.
- Senate Committee on Armed Services
- Subcommittee on Airland
- Subcommittee on Readiness and Management Support — Chairman
- Subcommittee on Seapower
- Senate Committee on Commerce, Science, and Transportation
- Subcommittee on Telecommunications and Media
- Subcommittee on Coast Guard, Maritime, and Fisheries — Chairman
- Subcommittee on Surface Transportation, Freight, Pipelines, and Safety
- Senate Committee on Environment and Public Works
- Subcommittee on Chemical Safety, Waste Management, Environmental Justice, and Regulatory Oversight
- Subcommittee on Fisheries, Water, and Wildlife
- Subcommittee on Transportation and Infrastructure
- Senate Committee on Veterans' Affairs
- S. 5649: A bill to make additional Federal public land available for selection under the Alaska Native Vietnam era veterans land allotment program, and for other purposes. — Introduced
- S. 5479: No Chinese Seafood in Congress Act — Introduced
- S. 5438: Alaska’s Right to Produce Act 2.0 — Introduced
- S. 5404: Jimmy Lai Hong Kong Political Prisoner Accountability Act of 2026 — Introduced
- SJRES. 209: A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Environmental Protection Agency relating to "California State Nonroad Engine Pollution Control Standards; Ocean-Going Vessels At-Berth; Notice of Decision". — Introduced