He then transferred to play at FIU from 2018 to 2020. He played in 11 games, all starts, at left tackle in 2018 and earned honorable mention All-Conference USA (C-USA) honors.[6] Demery played in 13 games, starting 12 at left tackle, in 2019 and was named honorable mention C-USA for the second consecutive year.[6][7] In 2020, he played in the first two games of the season before suffering a season-ending injury.[6]
Demery was released by the Elks on May 26, 2022.[12] He was later signed to the Elks' practice roster on July 12, 2022, but was again released on July 17, 2022.[12]
Calgary Stampeders
Demery signed with the Calgary Stampeders of the CFL on March 2, 2023. He was moved to the practice roster on July 6, signed to the active roster on July 11, moved back to the practice roster on July 29, signed back to the active roster on August 24, moved to the practice roster on September 3, and promoted back to the active roster on September 29.[13] Overall, he played in 10 games, all starts, for the Stampeders in 2023.[14]