Born in Antigua and Barbuda, Cejhae Greene began his athletic journey at age 12. Coaches Teddy Daley and Heather Samuel noticed his potential during school competitions. Greene, who now resides in Fort Lauderdale, Florida, USA, has made significant strides in his career.

| Season | Event | Rank |
|---|---|---|
| 2021 | Men's 100m | 37 |
| 2016 | Men's 4 x 100m Relay | 12 |
| 2016 | Men's 100m | 18 |
Henry Rolle serves as Greene's club and personal coach. Greene has also contributed to the sport by working as a volunteer assistant coach at the University of Tennessee.
One of Greene's most memorable sporting achievements is winning a bronze medal in the 100m at the 2019 Pan American Games in Lima, Peru. This accomplishment stands out among his various successes on the track.
Greene faced knee and hamstring injuries that limited his participation with Florida State University during the 2015 NCAA season. He also struggled with a knee injury during the northern hemisphere winter in 2016/17.
His father, Colin Greene, has been the most influential person in his career. Greene holds a personal motto: "Always bet on yourself." He also wears a gold chain necklace given by his mother and a silver bracelet from his aunts as part of his rituals.
Outside athletics, Greene enjoys playing video games and travelling. These hobbies provide him with relaxation and balance amid his rigorous training schedule.
Greene's cousin, Viv Richards, is a well-known figure who represented the West Indies in international cricket. This connection adds a layer of sporting heritage to Greene's background.
Looking ahead, Greene aims to reach an Olympic final. This goal drives him as he continues to train and compete at high levels.
Cejhae Greene's journey from Antigua and Barbuda to international athletics showcases his dedication and resilience. With continued support from coaches and family, he remains focused on achieving his ambitions on the global stage.
Born in Antigua and Barbuda, Cejhae Greene began his athletic journey at age 12. Coaches Teddy Daley and Heather Samuel noticed his potential during school competitions. Greene, who now resides in Fort Lauderdale, Florida, USA, has made significant strides in his career.