LINCOLN, Neb. -- Republican gubernatorial candidate Jim Pillen has selected Joe Kelly as his running mate.

Pillen announced his choice for the ticket on Tuesday at the Nebraska Capitol.

Kelly is the criminal bureau chief in the Nebraska Attorney General'soffice. He previously works as the U.S. Attorney in Nebraska as an appointee of former President Donald Trump, overseeing federal prosecutions in the state.

Kelly also served for years as Lancaster County Attorney and a chief deputy Lancaster County attorney in Lincoln.

Pillen joins fellow Republicans Theresa Thibodeau and Brett Lindstrom as candidates who have announced running mates. Thibodeau recently named rancher and podcast host Trent Loos to her ticket, while Lindstrom is running with former Director of Economic Development for the State of Nebraska Dave Rippe.

Democratic hopeful Carol Blood recently chose former State Sen. Al Davis to run with her.

Pillen said he has known Kelly since their days as students at the University of Nebraska-Lincoln and recognizes him as a reliably conservative leader in law enforcement.

Pillen is seeking the GOP nomination for governor on May 10 in a competitive primary race. Several other Republican candidates have announced running mates. Democratic hopeful Carol Blood recently chose former state Sen. Al Davis to run with her.