As of now... April 2, 2009, John (Jay) Rockefeller IV is the current Chairman of Senate Commerce Committee.
Carl Levin (D) is the chairman of the Senate Armed Services Committee.
who is the chairperson of the commerce committee
Senate Commerce Committee
In the Senate, the Senate Finance Committee holds jurisdiction of taxation. The forerunner of the Committee, the Select Finance Committee, was established during the fourteenth session of Congress. The structure of the current Senate Finance came about as the result of the Committee Legislative Reorganization Act of 1970.
The Chairman is Jeff Bingaman of New Mexico.
The Senate Foreign Relations Committee is composed of eighteen members, ten Democrats and eight Republicans. The present Chairman is Robert Menendez, a Democrat from New Jersey.
Sam Nunn
After Barry Goldwater, who served as chairman of the Senate Armed Services Committee from 1959 to 1987, the next chairman was Sam Nunn. He held the position from 1977 to 1995, significantly influencing U.S. defense policy during his tenure. Nunn was known for his focus on nuclear disarmament and national security issues.
The Speaker of the House and the Majority Whip and the chairman of the Ways and Means committee in the House; the President of the Senate and the Majority Whip in the Senate and the chairman of the Senate committee that does the budget, guides this through congress.
Sen. John Kerry (D-MA) is the current Chairman as of Dec.29,2009.
The Chairman of the Appropriations Committee has power over all federal spending. The Senate Appropriations Committee is the largest committee in the U.S. Senate.
Committee on Commerce, Science, and Transportation.