After working in a few famous French restaurants, he took over the family restaurant "La Grenouillère", located near Montreuil-sur-Mer in the northern Pas-de-Calais region.
His burgeoning talent is revealed by the Omnivore guide in 2006. He earned a Michelin star in 2008. Soon after he started leaving his mark on the contemporary French cuisine.
His style and personality led him to entrust Patrick Bouchain with the renovation of La Grenouillère in May 2011.
Alexandre Gauthier leaves his mark and expresses himself in a personal, bestial, delicate, green and unbridled cuisine.
He is often invited to present his cuisine abroad: from China to Japan via Singapore, from California to Canada, to NYC, not to mention the European countries (Italy, Lithuania, Austria, Belgium, Spain...) so many visited countries and shared meals. Alexandre Gauthier is also part of the international collective Cook It Raw.
In April 2012, he was named "Knight of the Order of Arts and Letters” by the French Minister of Culture.
In May 2013, he cooked in Venice during the inauguration of the French Pavilion at the 55th Contemporary Art exhibition of the Venice Biennale.
In October 2014, he was awarded 5 toques by the Gault Millau guide. And in 2016 he was named «Fooding d’or » by the Fooding guide and « Chef of the year » by Gault & Millau,
In May 2014 he published his first book "Alexandre Gauthier, Chef" which won the "gourmand cookbook" award by Le Figaro as well as the Eugénie Brazier award for best image.
Alongside La Grenouillère, Alexandre opened two other restaurants in Montreuil-sur-Mer: In 2007 "Froggy's Tavern" a place of life, a contemporary grill room... and in February 2015 "Anecdote", a memory lane cuisine inspired by the map that Roland Gauthier, Alexandre's father, drew upon his arrival at La Grenouillère in March 1979... A few days before Alexandre was born!