Chronology of Union Pacific Presidents
2000s
- Lance M. Fritz, February 2014 - present
- John J. (Jack) Koraleski, March 2012 - January 2014
- James. R. Young, January 2003 - March 2012
- Ivor J. (Ike) Evans, 1998 - December 2002
1900s
- J.R. Davis, 1996-1997
- Ron Burns, January 1995 - December 1995
- Richard (Dick) Davidson, Chairman of the Railroad, 1991-1994
- Michael Walsh, Chairman of the Railroad, 1986-1990
- R.G. Flannery, January 1983 -1986
- John C. (Jack) Kenefick, Chairman of the Railroad, 1982 - 1985
- John C. (Jack) Kenefick, October 1971 - January 1982
- Edd H. Bailey, April 1966 - October 1971
- Arthur E. Stoddard, March 1949 - January 1965
- George Ashby, February 1946 - March 1949
- William M. Jeffers, October 1937 - February 1946
- Carl R. Gray, January 1920 - October 1937
- Robert S. Lovett, February 1919 - January 1920
- Charles B. Seger, November 1918 - February 1919
- Edgar E. Calvin, July 1916 - November 1918
- A.L. Mohler, October 1911 - July 1916
- Robert S. Lovett, 1910 - October 1911
- Edward H. Harriman, 1904-1909
- Horace G. Burt, December 1897 - January 1904
* No president of the railroad 1987-1994 and February 1982 – January 1983
1800s
- Silas H.H. Clark, June 1892 - June 1897
- Sidney Dillon, November 1890 - April 1892
- Charles F. Adams, June 1884 - November 1890
- Sidney Dillon, March 1874 - June 1884
- John Duff, June 1873 - March 1874
- Horace F. Clark, March 1872 - June 1873
- Thomas A. Scott, April 1871 - March 1872
- Oliver Ames, 1865-1871
- John A. Dix, October 1863-1865
- W.B. Ogden, September 1862 - October 1863