Jefferson R. Moss (born July 4, 1976) is an American entrepreneur and politician who has served in the Utah House of Representatives from the 51st district.^[1][2] He currently serves as the majority leader in the House, a position he has held since November 15, 2023 when his predecessor in that office, Mike Schultz became the House Speaker.^[3] He previously served as majority whip, also succeeding Schultz.^[4]

Moss is a native of Orem, Utah. He earned a Bachelor of Arts degree in political science from Brigham Young University and a Master of Business Administration in entrepreneurship and finance from the Marriott School of Business at BYU.^[5]

Jefferson Moss is the associate vice president and foundation COO at Utah Valley University. He is also a member of the Utah State Board of Education. He formerly worked as a wealth management advisor at Credit Suisse and as a wealth advisor at KeyBank.

Moss serves as House majority leader. He is a member of the Executive Appropriations Committee, Public Education Appropriations Subcommittee, House Business and Labor Committee, and the Legislative Management Committee.^[6]

Moss resides in Saratoga Springs, Utah, with his wife and four children.^[7]