Eluemunor was born to a Nigerian father and English mother in Chalk Farm, London.

He became interested in American football after watching the 2007 Miami Dolphins-New York Giants game on television.

The game was played at Wembley Stadium in London as part of the NFL International Series.

Eluemunor moved to the United States with his father at age 14, when he started playing American football at Morris Knolls High School near Denville Township, New Jersey.

[10] Eluemunor attributes his development in football to Texas A&M offensive line coach Jim Turner.

[6][11] At the 2017 NFL Combine, Eluemunor tied the second-highest number of reps in the 225-lb bench press with 34.

[16] In his rookie season, Eluemunor saw action in eight games, starting two at right guard, and was named to the Pro Football Writers of America All-Rookie Team.

[30] On 2 September 2021, Eluemunor signed with the Las Vegas Raiders, ultimately starting three games that season.