 Michael LaBranche is the Chairman, President and CEO of LaBranche & Co. Company's revenue is $345 million in 2000.Thérèse Levasseur

Marie-Thérèse Levasseur (21 September 1721 - 12 July 1801; also known as Thérèse Le Vasseur and Thérèse Lavasseur) was the domestic partner of Genevan philosopher Jean-Jacques Rousseau.Thérèse Le Vasseur came from a respected family that had fallen on hard times; her father was a local official in Orléans, and her mother was a merchant.