Yale University; Harvard Law School.
His paternal great-great-great-grandfather, Thomas Walker, was an English slavetrader. He also served as the President of West.A. Harriman Company 1916-1929, which is now known as Brown Brothers Harriman & Company
His father George Herbert Walker, Junior. was the cofounder of the New York Mets baseball team with Joan Whitney Payson.
He received a Law degree from the Harvard Law School in 1955. He served in the United States Air Force for two years as staff judge advocate at Wright Patterson Air Force Base in Dayton, Ohio.
During his term as Chief Executive Officer Stifel Nicolaus became a publicly traded firm on the New York Stock Exchange. In 1992, Walker was a candidate for the United States. House seat representing Missouri"s 2nd Congressional District, but was defeated by then State Republican
Jim Talent in the Republican primary by a margin of 58% to 32%.
Walker served as the United States Ambassador to Hungary from 2003 to 2006. In 2007, Walker became the general partner at the Danube Fund. Walker has served on the Board of Directors of Webster University since 1974.
Following a significant donation to Webster University in 2005, the business school was renamed the George Herbert Walker School of Business.
A member of the Bush family, he served as the United States Ambassador to Hungary from 2003 to 2006. Walker graduated from Yale University in 1953, where he was a member of Skull and Bones.