He played college football for the Texas Longhorns, where he won the Doak Walker Award and was a unanimous All-American in 2022 before being selected by the Falcons eighth overall in the 2023 NFL draft.

He attended Salpointe Catholic High School, setting a state record after rushing for 7,036 yards and 114 touchdowns.

[14] In the 2022 season, he had 1,580 rushing yards and 18 touchdowns was named a unanimous All-American and won the Doak Walker Award for the nation's best running back.

[30] Robinson was named by his mother after the Iranian fashion designer Bijan, the Persian word for hero.

[31][32] His great uncle is Paul Robinson, a former running back who played for the Cincinnati Bengals, Houston Oilers, and Birmingham Americans.

[32] In 2022, Robinson began promoting his gourmet, Texas-based dijon mustard brand, Bijan Mustardson, along with a comedically themed line of accompanying merchandise and advertisements.