The Olympic gold medallist and former sevens captain replaces Ben Gollings, who was axed by the Fiji Rugby Union interim board of trustees last week, for “inability to meet the desired standards and expectations.
Kolinisau has four months to prepare the national side with the hope of winning Fiji’s third consecutive Olympic gold in France in July.
“My criteria are not based on experience and talent alone but fitness and training to the standard Fiji sevens is renowned for,” Kolinisau said from his home in Cunningham, outside Suva.