Born in American Samoa, Suniula played rugby at a young age in New Zealand, eventually being named to the New Zealand Junior Kiwis rugby league team in 2004. He debuted for the Men’s Eagles Sevens at the NAWIRA Rugby World Cup Sevens Qualifier in 2008 and earned a spot on the team for the 2008-09 IRB Sevens World Series. Suniula was a part of the 2009 Rugby World Cup Sevens team and appeared in every leg of the 2009-10 IRB Sevens World Series. He was also a member of the bronze medal-winning Eagles at the 2011 Pan American Games. Suniula played club rugby with Belmont Shore, earning MVP honors in 2011 when his club won the USA Rugby Men’s Club Sevens Championship. Suniula’s brothers Andrew and Roland are members of the Men’s Eagles.