[3] Born in Elizabeth, New Jersey, Simpson (Brazinski at the time) was named to the team representing the U.S. at the 1973 World University Games competition in Moscow, Soviet Union.

[5] Simpson earned a spot on the USA National team, which competed in the 1975 World Championship held in Cali, Colombia.

A year later, Simpson was named the head women's basketball coach at Arizona State University.

Two of her teams were ranked in the top 20, which included a berth in the sweet 16 and a runner-up finish in the women's national invitational tournament.

Following her time at Arizona State, Juliene went on to coach six seasons of Bucknell University, which included a Patriot League Championship in 1996.

[10] In 2001, she was the recipient of the Carol Ekman Award given out by the Women's Basketball Coaches Association, and in 2009 Simpson became the director of athletics at the College of Saint Elizabeth.

On June 22, 2017, Simpson was one of four new inductees into the National Polish-American Sports Hall of Fame in Troy, Michigan.