[5] Brauer is currently chairman of Hunter Engineering Company, a manufacturer of automotive service equipment and technology that is headquartered in St. Louis, Missouri.

He served as 1st Lt. in the United States Army Corps of Engineers from 1968 to 1970, including a year tour in Vietnam.

He returned to the U.S. in September 2003 to resume his duties as CEO of Hunter Engineering Company.

Since 1991, he has been a trustee of Washington University in St. Louis, assuming the role of board chair from 2009 to 2014.

[8] Additionally, he has held positions on the national board of the Smithsonian Institution, the Missouri 21st Judicial District Commission, and has served as a director for notable entities such as Boatmen's Trust Company, the Private Client Board of Bank of America, and Ameren Corporation (NYSE:AEE).