Jon Tester (born August 21, 1956) is the junior United States Senator for Montana, serving since 2007. He is a member of the Democratic Party. He previously served as President of the Montana Senate.

Tester was born in Havre, Montana, one of three sons of Helen Marie (née Pearson) and David O. Tester. His mother was of Swedish descent. Tester grew up in Chouteau County, near the town of Big Sandy, Montana, on the land that his grandfather homesteaded in 1912. At the age of 9, he lost the middle three fingers of his left hand in a meat-grinder accident. In 1978, he graduated from the University of Great Falls with a B.S. in music.

He then worked for two years as a music teacher in the Big Sandy School District before returning to his family's farm and custom butcher shop. He and his wife continue to operate the farm; in the 1980s, they changed over from conventional to organic farming, raising wheat, barley, lentils, peas, millet, buckwheat, and alfalfa. Tester served five years as chairman of the Big Sandy School Board of Trustees and served on the Big Sandy Soil Conservation Service (SCS) Committee and the Chouteau County Agricultural Stabilization and Conservation Service (ASCS) Committee.

John Edward Walsh (born December 26, 1945) is an American television personality, criminal investigator, human and victim rights advocate and the host, as well as creator, of America's Most Wanted. Walsh is known for his anti-crime activism, which he became involved with following the murder of his son, Adam, in 1981; in 2008, the now dead serial killer Ottis Toole was named as the killer of Walsh's son. Walsh is part owner of the Museum of Crime & Punishment in Washington, D.C.

Walsh was born in Auburn, New York. He attended the University at Buffalo. After college and marriage to the former Revé Drew in 1971, the newlywed Walshes settled in South Florida, where John became involved in building high-end luxury hotels.

In the summer of 1981, Walsh was a partner in a hotel management company in Hollywood, Florida. He and his wife, Revé, had a six-year-old son, Adam. On July 27, 1981, Adam was abducted from a Sears department store at the Hollywood Mall, across from the Hollywood Police station. Revé had dropped Adam off in the Sears toy department while she looked for a lamp. When she returned about 7 minutes later, Adam was missing. Police records in Adam's case released in 1996 show that a 17-year-old security guard asked four boys to leave the department store. Adam is believed to have been one of them. Sixteen days after the abduction, his severed head was found in a drainage canal more than 120 miles away from home. His other remains were never recovered.

Steve Daines is an American businessman and politician from Bozeman, Montana who was the Republican nominee for Lieutenant Governor of Montana in 2008, running on the ticket with Roy Brown, the Republican nominee for governor.

Daines was born in Van Nuys, CA, on August 20, 1962, and his parents moved back to Montana when he was a year old. His Norwegian great-great-grandmother homestead near Conrad, Montana and is buried at the Golden West Lutheran Church cemetery, 23 miles east of Conrad. He grew up in Bozeman, attending public schools (K-12) there, and graduated from Bozeman High School in 1980. Upon graduation from high school, Daines attended Montana State University, and graduated with highest honors with a Bachelor of Science degree in chemical engineering in 1984. His father and mother met while growing up in Billings, and ran a home construction business in Bozeman. He was also selected to be a Montana delegate to the 1984 Republican National Convention for President Ronald Reagan. He was one of the youngest delegates in the nation attending the convention

Dennis R. "Denny" Rehberg (born October 5, 1955) is the U.S. Representative for Montana's At-large congressional district, serving since 2001. He is a member of the Republican Party.

Rehberg was born in Billings, Montana, the son of Patricia Rae (née Cooley) and Jack Dennis Rehberg. He attended Billings West High School and Montana State University.

Since 1996, Rehberg has been managing the Rehberg Ranch near Billings. He oversees a herd of 500 cattle and 600 cashmere goats.

In 1977 he began working as an intern in the Montana State Senate, and two years later he joined the Washington, D.C. staff of Montana U.S. Congressman Ron Marlenee as a legislative assistant. In 1982, Rehberg returned to farming, until running for the State House in 1984.

Rehberg was elected then to the Montana State House of Representatives from 1985 to 1991, where he served three terms. In the legislature, he considered himself to be a fiscal conservative, and he advocated balancing the state budget without any tax increases. He was the only freshman member to serve on the House Appropriations Committee.

Conrad Ray Burns (born January 25, 1935) is a former United States Senator from Montana. He is only the second Republican to represent Montana in the Senate since the passage in 1913 of the Seventeenth Amendment to the United States Constitution and is the longest-serving Republican senator in Montana history.

While in the Senate, Burns sat on the Senate Appropriations Committee and was the chairman of its Subcommittee on the Interior. He was also chairman of the Commerce, Science, and Transportation Committee's Communications subcommittee.

Burns was born on a farm near Gallatin, Missouri, to Russell and Mary Frances (Knight) Burns. He graduated from Gallatin High School in 1952 and then enrolled in the College of Agriculture at the University of Missouri. He was also a member of the Alpha Gamma Rho fraternity. Two years later Burns left without graduating, and enlisted in the Marine Corps in 1955. He served in Japan and Korea as a small-arms instructor.

After his military service in 1957, Burns began working for Trans World Airlines and Ozark Air Lines. In 1962, he traveled the state as a field representative for Polled Hereford World magazine in Billings, Montana. He married Phyllis Jean Kuhlmann in 1967; they have two children, Keely and Garrett.