President and owner of Techmar Enclosures, Inc., Marina Del Rey,
California
He was a Golden Gloves champion.
As "Gentleman Jim Brewer" he won the Austin, Texas, Golden Gloves title in 1955 before boxing professionally for about a year in Texas and California.
Managed in boxing by Pat O'Grady, father of former world lightweight champion and sports announcer, Sean O'Grady.
In the May 1967 issue of Boxing Illustrated,Brewer's professional boxing record was listed as 30-5-1; possibly a combination of both professional and amateur bouts. Boxrec lists his professional record as 3-2-1.
He worked as Jane Mansfield's personal trainer.
Brewer had an extensive Summer Stock career; performing in Mr. Roberts as Ensign Pulver at the Peninsula Theater. He also performed in Baby Doll, Oklahoma, South Pacific, Pal Joey and many more.
For his role in The Alamo (1960), he grew out his hair and beard, starting in the summer of 1959. Students at the University of Texas, where he had previously attended, labeled him as a beatnik.
He knew actress Jane Darwell.
His last ring appearance was a charity exhibition bout with former World Lightweight Champion Joe Brown.