Julien Gaviard was born in 1981, lives in Colombes, a district not far from the capital, and a promising son of the French champion bridge player Daničle Allouche and studied at Ecole des Epinettes.
World Master, was highlighted by winning the bronze medal in 1999 European University Championship Team, in 2000 Damiani Trophy and in the European Championship Junior Team of 2005.
Commentator vu graph, in the open category he won bronze paired with his mothers in 2007 Transnational European Teams Championships and in 2021 won the Biarritz Open Pairs.
He also was non-playing captain of the French national that including his mother won the 2008 European Women Championships and the 2009 Venice Cup.