The powerful Roosters back-rower was the logical choice following the representative retirement of long-serving Origin talisman Paul Gallen.
The 24-year-old trails only Brad Fittler and current Origin coach Laurie Daley in terms of the youngest Blues Origin skippers but is a natural leader who has long seemed old beyond his years.
Addressing media at The Star following the team announcement on Monday night, Cordner said the honour "means the world" to him.
And his first call once he spoke to Daley was to his father Chris.