Dwayne Quamina, affectionately known as “King Q,” built a reputation through discipline, strength and determination, inspiring people both inside and outside the bodybuilding world. His death at age 40 has left family, friends and members of the fitness community mourning a life that made a lasting impression.
News of Quamina’s passing was announced Sunday, August 16, 2026. His wife, Leah Jerez, shared the news, according to reporting by Folha de S.Paulo. The cause of death has not been publicly disclosed.
Quamina was an IFBB Pro League bodybuilder who competed in the Men’s 212 division. His career included a 10th-place finish at the 2018 Mr. Olympia, one of the sport’s most prestigious competitions. He also won the 2017 Europa Phoenix Pro.
After stepping away from competition, Quamina returned to the stage in 2025. He placed fourth in the Men’s 212 division at the Lenda Murray Atlanta Pro that year, marking a notable return to professional bodybuilding.
Away from competition, Quamina was a certified personal trainer and nutrition coach. His professional profile also reflected his background in the U.S. Navy and his commitment to helping others through fitness.
Tributes have remembered him as a devoted father, husband, mentor and friend, although additional details about his family and personal life have not been independently confirmed.
For those who knew “King Q,” his legacy will be measured not only by trophies and rankings, but by the encouragement he gave others. His strength, determination and influence will continue through the people he inspired.