Rhett Lashlee returned to SMU as Head Football Coach on Nov. 29, 2021. Lashlee previously served as offensive coordinator for the Mustangs, including during the record-setting 2019 season.

Prior to joining SMU's staff, Lashlee served as an offensive coordinator for seven seasons, spending 2017 at UConn, 2013-16 at Auburn, 2012 at Arkansas State and 2011 at Samford.

Lashlee was the offensive coordinator at Arkansas State (2012), helping the Red Wolves to a Sun Belt Championship and quarterback Ryan Aplin to Conference Player of the Year honors, and at Samford (2011), after having served as a graduate assistant at Auburn (2009-10) and Arkansas (2006). While at Auburn as an offensive graduate assistant during the 2009-10 seasons, Lashlee assisted Gus Malzahn with all aspects of the offense and coached the quarterbacks and slot receivers in 2010. In 2009, the Tigers finished 8-5 winning the Outback Bowl. During the 2010 season, he helped the Tigers finish 14-0, winning the SEC title and the BCS National Championship behind Heisman Trophy winning quarterback Cam Newton. Lashlee coached at Springdale (Ark.) High School in 2004-05, working with the quarterbacks and 2005 National Player of the Year Mitch Mustain.

Lashlee graduated from Arkansas in 2006 with a degree in marketing and business administration. He received his master's degree in higher education from Auburn in 2009.

He is married to the former Lauren Lee. They have twin sons, Thomas and Hudson, and twin daughters, Rowyn and Scarlet.