After graduating in Law and Information Sciences at Paris University, Marguerite Sauvage became an illustrator in 2001.
She worked first for advertising (Apple, Field Marshal, Citroen, etc.), press (Elle, Cosmopolitan, Flaunt, etc.) and publishing (Penguin, Hachette).
In 2008 she started working in parallel as freelance concept artist in video games and animation for UbiSoft Paris, ZacCreative Australia, Passion Pictures France, Wanda France or Fox Kids USA.
In 2008 Marguerite was author, art director and designer on the animated TV series « Cultural Quest with Mister Otter ». The show of 52 episodes was broadcasted on national TV in France (https://www.youtube.com/channel/UC-jD2oPDTvRrjpOWYNamRkQ) .
In 2014 her work was spotted by Vertigo and she started a career in comics. Her work is visible both on covers and sequential art for Marvel (Secret Wars, Captain Marvel, Ms. Marvel, ...), DC (Bombshells, Shade,...), Vertigo (Unfollow, Hinterkind...),DarkHorse (Zodiac Starforce,...), Image (Wayward, Wicked and Divine...), Dynamite (Red Sonja), or Valliant (Faith,...).