In December 2021, he resigned as head coach of the women's national team after players alleged emotional misconduct.

[5] The next year, Johnson was named the 1997 National Wheelchair Basketball Association's (NWBA) Most Valuable Player after averaging 29 points per game.

[4] Johnson was appointed captain of the Golden State Warriors team for 24 years, where he set the record for the most three-point field goals in a game.

[7] The next year, Johnson was promoted to head coach of the United States women's national wheelchair basketball team from 2017 until 2020.

[11] In December 2021, Johnson resigned as head coach of the women's national team after current and former players alleged emotional misconduct.