News Releases


Union Pacific Announces Appointment of Michael Miller as Treasurer, Retirement of Gary Grosz

Omaha, Neb., December 10, 2021

Union Pacific has named Michael Miller vice president and treasurer effective Feb. 1, 2022, following the announced retirement of Gary Grosz.

Miller, currently assistant vice president-Corporate Finance and assistant treasurer, has been with Union Pacific for 28 years. He has held numerous Finance roles, including in Budgeting; Business Development and Planning; Corporate Audit; Cost and Profit Management; and Investor Relations. He will report to Executive Vice President and Chief Financial Officer Jennifer Hamann.

Miller will succeed Grosz, who is retiring March 1 after nearly 40 years at Union Pacific. Grosz served as assistant vice president-Corporate Finance and assistant treasurer for nearly 20 years before being promoted to vice president and treasurer in April 2019. He previously held roles in Corporate Audit; Investor Relations; and Planning and Analysis.

About Union Pacific

Union Pacific (NYSE: UNP) delivers the goods families and businesses use every day with safe, reliable and efficient service. Operating in 23 western states, the company connects its customers and communities to the global economy. Trains are the most environmentally responsible way to move freight, helping Union Pacific protect future generations. More information about Union Pacific is available at

The statements and information contained in the news releases provided by Union Pacific speak only as of the date issued. Such information by its nature may become outdated, and investors should not assume that the statements and information contained in Union Pacific's news releases remain current after the date issued. Union Pacific makes no commitment, and disclaims any duty, to update any of this information.

Michael Miller and Gary Grosz

Media Contact

Kristen South