At Tampa, Millien totaled 25 goals and 30 assists in three seasons,[2] helping to lead the team to the NCAA Division II Final Four in 2008.
[5] He made his professional debut on 16 April 2010, in Tampa's first-ever game, a 1–0 victory over Crystal Palace Baltimore.
[7] Millien was unable to play with Sligo in the early part of the season due to issues with a work permit, but he made his debut on 20 April, coming on as a second-half substitute in a league match against Cork City.
Sheikh Russel KC was eventually eliminated from the quarter-final of the Independence Cup where they fell to Feni Soccer Club in the tiebreakers.
Their chemistry saw The Bengal Blues progressing into the finals of the tournament and creating a bright chance to qualify for the second tier AFC Cup.
He never played an official game with the team because of international transfer complications and on December he had to quit Italy for Visa expiration.
On 29 January 2015, Millien returned to the NASL by signing with Jacksonville Armada FC ahead of their inaugural season.