Walter Scott Jr.
Walter Scott Jr. (born May 21, 1931) is an American civil engineer, philanthropist, and former CEO of Peter Kiewit Sons' Incorporated.

Education
He graduated from Colorado State University in 1953 with a bachelor's degree in civil engineering.

Career
Scott was first elected to the Peter Kiewit Sons' Incorporated board in 1964. In 1979, he was elected president. When Peter Kiewit died later that same year, Scott was selected to succeed him as chairman.

He sits on the board of Berkshire Hathaway, and is a childhood friend of Warren Buffett. He is also on the board of directors of Burlington Resources, Commonwealth Telephone Enterprises, Level 3 Communications Inc., MidAmerican Energy Holdings, RCN Corporation, Valmont Industries, and Peter Kiewit Sons' Inc, and is the chairman of the Open World Leadership Center at the Library of Congress. He is a director of the Joslyn Art Museum, Nebraska Game and Parks Foundation, and the Omaha Development Foundation. Nationally, he is a director of the Horatio Alger Association and the National Forest Association.

Scott is chairman of Level 3 Communications. The corporation is one of the firms created by the 1998 separation of the two operating divisions of Peter Kiewit Sons' Inc. Since the split-off, Scott now serves as chairman Emeritus of Peter Kiewit Sons', Inc.

Philanthropy
Scott consistently ranks among the wealthiest Americans.  With his wife, Suzanne, he founded the public, non-profit Suzanne and Walter Scott Foundation which has funded the Scott Atrium & Education Center at University of Nebraska Medical Center, the Scott Technology Center in Omaha, and The Summit: Bechtel Family National Scout Reserve.

In June 2010, when Warren Buffett appealed to him to join the Giving Pledge, he partially accepted, stating that after his death his remaining estate will go into his eponymous foundation.

In 2011 he committed $10 million to the construction of Engineering II, a $70 million,  building which will house interdisciplinary energy, environment and health programs at Colorado State University.

In November 2016 it was announced Scott would be donating $53.3 million to Colorado State University School of Engineering, CSU's largest ever gift, and that the College of Engineering at CSU will be renamed the Walter Scott Jr. College of Engineering, becoming the only named college of engineering in the state of Colorado.

Collector
In 1996 Scott acquired the original sales document of the Louisiana Purchase for his private collection.

Honors and awards
Scott was the 1997 recipient of the Horatio Alger Award.

He became an Eagle Scout in 1946 and is a recipient of the Distinguished Eagle Scout Award.

Personal life
Scott's second wife Sue Scott had been a good friend of his first wife, Carolyn, who died in 1983, but did not know Walter. They married in 1987 at their place of worship, Countryside Community Church. Suzanne died in 2013.