Career
His teams are known for pressing and playing an unconventional match-up zone, a highly successful variation of the defensive system employed by coach Rick Pitino at Louisville. As an assistant / Junior College head coach
After graduating from Morehead State University in 1993, Tyndall began coaching at the junior college level From 1994 to 1996, he was assistant coach at Iowa Central Community College.
Tyndall had his first head coaching position in the 1996-1997 season at Saint Catharine College in Springfield, Kentucky.
Tyndall led Saint Catharine to a 30–5 record and the school"s first-ever NJCAA tournament appearance. After his season at Saint Catharine, Tyndall got his first National Collegiate Athletic Association Division I coaching position as an assistant at Louisiana State University under John Brady, a position he would hold from 1997 to 2001.
Tyndall helped Louisiana State University finish first in the Securities and Exchange Commission West Division in the 1999-1900 season and make the Sweet 16 round of the 2000 National Collegiate Athletic Association Tournament. This Louisiana State University team also featured Stromile Swift, the #2 pick in the 2000 National Basketball Association draft.
In the 2001-2002 season, Tyndall served as associate head coach at Idaho under Leonard Perry.
From 2002 to 2006, Tyndall was associate head coach at Middle Tennessee under Kermit Davis. Middle Tennessee had winning seasons all four of those seasons. Morehead State (2006-2012)
In his first Division I head coaching job, Tyndall served as head coach at his alma mater Morehead State from 2006 to 2012.
Morehead State also made the 2010 College Basketball Invitational.
In August 2010, the National Collegiate Athletic Association placed Morehead State on two years" probation for violations by boosters. As a #13 seed, Morehead State upset #4 seed Louisville 62-61 in the first round of the 2011 National Collegiate Athletic Association Tournament.
Southern Mission (2012-2014)
Tyndall was the head coach at the Southern Mission from 2012 to 2014. Southern Mission made the National Invitation Tournament in 2013 and 2014 and finished first in Conference United States of America standings for the 2013-2014 season.
Tennessee (2014-2015)
On April 22, 2014, Tyndall was hired as head basketball coach at the University of Tennessee, after spending the previous two seasons as the head basketball coach at Southern Mississippi
On March 27, 2015, Tennessee fired Tyndall after the National Collegiate Athletic Association notified Tennessee officials of possible National Collegiate Athletic Association violations at Southern Mississippi The violations centered around improper financial aid for two players, as well as academic problems with junior college transfers. According to a copy of Tyndall"s termination letter, Tyndall had lied to Tennessee officials about the extent of the violations on several occasions, and had also deleted several emails from an old email account even though he was aware he would have been questioned about activity on that account by the National Collegiate Athletic Association. At a press conference announcing Tyndall"s firing, athletics director Dave Hart said that he would have never hired Tyndall had the true extent of the violations at Southern Mission been known.