He resigned on November 17, 2020, after an internal investigation following allegations by multiple former players detailing physical and verbal abuse at the hands of Marshall.

[2] He went to Cave Spring High School in Roanoke, Virginia, where he graduated in 1981 and was a 6'2", 145-pound point guard on the Knights' basketball team.

[4] He then spent eight years under John Kresse at the College of Charleston from 1988 to 1996, where the program received an at-large 1994 NCAA bid, and NIT invitations in 1995 and 1996.

[6] In 2007, Marshall became the first Big South coach to win an NCAA first round tournament game by defeating No.

[7] Marshall's success at the mid-major level created a lot of speculation that he could be a contender for the coaching position at North Carolina State University, which was vacated with the departure of Herb Sendek.

[13] In 2012, Wichita State made its first appearance in the NCAA tournament since the 2005–06 season, receiving an at-large bid.

[14] In the 2012–13 season, Marshall led the Shockers to their first Final Four since 1965, defeating the AP #1, #7, and #20 teams in the country to win the West Regional.

They rose as high as second in both major polls in late February, the highest that a Shocker team has been ranked since 1981.

In October 2020, The Athletic reported that Marshall was under investigation by Wichita State for misconduct after 6 basketball players applied to transfer the previous season.

[18] On November 17, 2020, Marshall resigned as coach of Wichita State after multiple allegations of verbal and physical abuse spanning years.

[23] Other allegations detailed in The Athletic include Marshall telling a Native American player to "get back on his horse" and making "Indian howling noises" during the 2018–19 season.

[24][23] In an October 13 statement to the Wichita Eagle, Marshall wrote, "In response to the allegations put forward in the media, I simply state unequivocally that I have never physically struck a player or colleague.