Demetrius Sumler is the Defensive Coordinator at San Diego State, coaching since 2021. Staff history at 1 school, the head coaches he worked under and the players he coached.
Updated Nov 9, 2026Sources: school staff directories, TransferPortl coaching tenures, CFBD
Staff History by Season
3 stints- 2026
San Diego StateDefensive Coordinator - 2025
- 2021-2024
Coaching Tenure Timeline
1 stopsHead Coaches He Worked Under
2- Sean LewisSan Diego State, 2024-2026
- Brady HokeSan Diego State, 2021-2023
Players He Coached
40
Isaiah BuxtonCB · San Diego State · 2025
Braylon CardwellCB · San Diego State · 2025
Xavier HamlettCB · San Diego State · 2025- Chris JohnsonCB · San Diego State · 2025
Bryce PhillipsCB · San Diego State · 2025
Jelani WhitmoreCB · San Diego State · 2025
Tayvion BeasleyCB · San Diego State · 2024
Tayten BeyerCB · San Diego State · 2024
Isaiah BuxtonCB · San Diego State · 2024- Arnold EscanoCB · San Diego State · 2024
- Joshua GoynesCB · San Diego State · 2024
Xavier HamlettCB · San Diego State · 2024- Chris JohnsonCB · San Diego State · 2024
Bryce PhillipsCB · San Diego State · 2024
Bennett WalkerDB · San Diego State · 2024
Jelani WhitmoreCB · San Diego State · 2024
Noah AvingerCB · San Diego State · 2023
Tayvion BeasleyCB · San Diego State · 2023- Dallas BranchCB · San Diego State · 2023
- Sam DunnellCB · San Diego State · 2023
- Arnold EscanoCB · San Diego State · 2023
- Joshua GoynesCB · San Diego State · 2023
Xavier HamlettCB · San Diego State · 2023- Chris JohnsonCB · San Diego State · 2023
- Dez MaloneDB · San Diego State · 2023
- Noah TumblinCB · San Diego State · 2023
Jelani WhitmoreCB · San Diego State · 2023
Noah AvingerCB · San Diego State · 2022- C.J. BaskervilleDB · San Diego State · 2022
- Dallas BranchCB · San Diego State · 2022
- Adonis BrownCB · San Diego State · 2022
- Jaiden BrownCB · San Diego State · 2022
- Arnold EscanoCB · San Diego State · 2022
- Joshua GoynesCB · San Diego State · 2022
- Chris JohnsonCB · San Diego State · 2022
- Dez MaloneDB · San Diego State · 2022
- Patrick McMorrisDB · San Diego State · 2022
- Isaiah McelvaneDB · San Diego State · 2022
- Noah TumblinCB · San Diego State · 2022
Jelani WhitmoreCB · San Diego State · 2022
