Iosefo grew up in Wahiawa on the island of Oahu in Hawaii where he learned to play rugby. Between the ages of 4 and 15 he lived in Samoa with his brother and father.[2]
Iosefo started playing rugby competitively while in Missoula, Montana with the University of Montana Jesters.[4] Iosefo played with the Men's Collegiate All-Americans at the 2014 Serevi RugbyTown Sevens.[5]
Iosefo played with the Denver Barbarians at the 2015 Club 7s Nationals.[6]
Iosefo has been recognized for his size and athleticism,[7] as well as for his hard hits at defense as a centre.[8]
Iosefo made the "dream team" for the 2016 Canada Sevens.[11] At the 2016 London Sevens, Iosefo scored a try 11 seconds into the match against Fiji, one of the fastest tries in the World Series. Iosefo played for the U.S. at the 2016 Summer Olympics in Rio, where the team finished in ninth place.
Career statistics
As of the end of 2021, Iosefo was ranked among the top U.S. players for statistics on the World Rugby Sevens Series: