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Questions about the Commission on Security and Cooperation in Europe
Who sits on the Commission on Security and Cooperation in Europe, and who chairs it?
Roger F. Wicker chairs the Commission on Security and Cooperation in Europe; its 9 members are 5 Republicans and 4 Democrats, as of Nov 2, 2026.
| Member | Role |
|---|---|
| RRoger F. Wicker | Cochairman |
| RJohn Boozman | Majority |
| RThom Tillis | Majority |
| RMike Rounds | Majority |
| RKatie Boyd Britt | Majority |
| DSheldon Whitehouse | Minority |
| DJeanne Shaheen | Minority |
| DJohn Fetterman | Minority |
| DRuben Gallego | Minority |
Source: congress-legislators · congress-legislators · Updated Nov 2, 2026
Which members of the Commission on Security and Cooperation in Europe are up for reelection?
1 of the committee’s 9 members is running for re-election on Nov 3, 2026; 2 are not running for their seats again; 6 senators’ seats are not up until 2028 and 2030, as of Nov 2, 2026.
“Filed for re-election” means registered with the FEC for the seat; for races outside the open-or-close list Oathstar has not compiled who won the primaries.
| Member | 2026 |
|---|---|
| RMike Rounds | On the November ballot |
| RThom Tillis | Not on the ballot |
| DJeanne Shaheen | Not on the ballot |
| RRoger F. Wicker | Seat not up in 2026 |
| RJohn Boozman | Seat not up in 2026 |
| RKatie Boyd Britt | Seat not up in 2026 |
| DSheldon Whitehouse | Seat not up in 2026 |
| DJohn Fetterman | Seat not up in 2026 |
| DRuben Gallego | Seat not up in 2026 |
Source: FEC candidate filings · state ballot lists (linked per race) · Who is retiring · Updated Nov 2, 2026