Jo Decker was born in San Angelo, Texas and has been a ranch woman, premier horsewoman, horse breeder, trainer, rodeo competitor, rodeo secretary, American flag bearer and clothing designer.
Decker competed in her first rodeo at the age of 4, and in 1944 and 1946 was one of the two representative to the Madison Square Garden as a Ranch Sponsor Girl.
In 1946, she had her first official job as rodeo secretary, starting a career that spanned 25 years. She was instrumental in promoting the Girls Rodeo Association, now the Women’s Professional Rodeo Association.
A brilliant designer and tailor, she has designed clothes for movie stars and royalty. Some of her honors include being named to the Pro Rodeo Hall of Fame and the National Cowboy Hall of Fame as well as receiving the Tad Lucas Memorial Award.