Trammell began her coaching career at the high school level. She coached in both Texas and Oklahoma and recorded a 105-45 record before she left for the collegiate ranks. Trammell moved to Western State in Colorado and helped turn the program around and she ranks third all-time in program wins. She coached three years at
Oklahoma City University where she helped guide that team to back-to-back NAIA National Championships. She was also named the NAIA Coach of the Year in both seasons that they won the title. Trammell moved onto Georgia State University where she was an assistant coach for two years.
San Antonio Stars Trammell moved up the professional ranks and joined the coaching staff for the
San Antonio Stars of the WNBA in 2017. 2017 was the final year for the Stars in San Antonio and Trammell was not retained when the team relocated to Las Vegas.
Los Angeles Sparks Trammell joined the
Los Angeles Sparks staff in 2019 under head coach
Derek Fisher. During her time in LA, Trammell was a part of playoff seasons with the Sparks and was known for her defensive focus. She was in charge of a Sparks defense that put four players on WNBA All-Defensive teams, including 2020 Defensive Player of the Year
Candace Parker.
Dallas Wings Trammell got her first head coaching job in the WNBA for the 2023 season, when she joined the
Dallas Wings organization. Following the 2024 season, Trammell was relieved of her duties as head coach.
Los Angeles Sparks (second stint) On July 22, 2025, Trammell was hired to serve as special assistant to Sparks head coach
Lynne Roberts.
Chicago Sky On November 25, 2025, Trammell joined the
Chicago Sky as an assistant coach under head coach
Tyler Marsh. ==Head coaching record==