After a fall-out with a racist teacher in her elementary school, she was moved to the only open class, an advanced and self-paced classroom in which she first developed a love for mathematics.
[3] She majored in economics, with a minor in mathematics, at Seattle University, where she earned a bachelor's degree in business administration in 1993.
Through Pacific Oaks, she earned a teaching certification for Washington in 2000, and a master's degree in human development in 2003.
[4] After completing her doctorate, Joseph joined the University of Denver in 2011 as an assistant professor, focusing on educating future mathematics teachers.
[4] Joseph is the author or editor of books including: Joseph was the winner of the 2023 Louise Hay Award of the Association for Women in Mathematics, "recognized for her contributions to mathematics education that reflect the values of taking risks and nurturing students’ academic talent".