Ken Buck learned the value of hard work from his grandfather, who opened a shoe repair store in Greeley in the 1930s. One of three brothers, Ken worked his way through high school, college, and law school as a janitor, truck driver, furniture mover, and ranch hand.

After law school, Ken worked for Congressman Dick Cheney (R-WY) on the Iran-Contra Investigation and then became a prosecutor with the U.S. Department of Justice. In 1990, Ken joined the Colorado U.S. Attorney's Office where he became the Chief of the Criminal Division.

In 2002, Ken joined Hensel Phelps Construction Co. in Greeley as a business executive.

Starting in 2004, Ken Buck was elected Weld County District Attorney three times. He led a staff of more than sixty people with a strong record of criminal prosecution and crime prevention. Under Ken's leadership, the crime rate in Weld County dropped 50%, one of the best records in the country.

Ken is a Christian and a leader in his profession and community. Ken has volunteered and served on the boards of many important community groups. As District Attorney, Ken brought together community leaders to create the Juvenile Assessment Center. The Center has helped more than two thousand kids and their families get back on the right path in life.

Ken's son Cody graduated from West Point and served in the U.S. Army. Ken's daughter Kaitlin works as a business executive in Colorado.