Senate Committee on the Judiciary:
Subcommittee on Antitrust, Competition Policy and Consumer Rights

Chairman:
Sen. Mike Lee [R-UT]
Ranking Member:
Sen. Amy Klobuchar [D-MN]
Republicans:
5
Democrats:
4

The chairman is always selected from the majority party and the ranking member is the most senior member of the minority party. The majority party ensures it has a majority on every committee.

Chairman
Mike Lee
Utah
Republican
Ranking Member
Amy Klobuchar
Minnesota
Democrat
Richard Blumenthal
Connecticut
Democrat
Alan “Al” Franken
Minnesota
Democrat
Lindsey Graham
South Carolina
Republican
Orrin Hatch
Utah
Republican
Patrick Leahy
Vermont
Democrat
Thom Tillis
North Carolina
Republican