David Thesmar (b. 1972) is a professor of finance at the HEC business school in Paris and a member of the French governmental Council for Economic Analysis. Along with Augustin Landier, he is the co-author of two books on the social impact of the finance industry: Le Grand Méchant Marché ("The Big Bad Market" published by Flammarion in 2007) and La société translucide, ("A Translucent Society" published by Fayard in 2010). He is also a regular contributor to the ideas pages of the French business and economics daily Les Echos.