Few FinTech founders will name-drop Marx, Sartre, Keynes, Plato and Piketty in a single blog post. Mathieu Hamel, co-founder and CEO of Marie Quantier, is one of them. Hamel is on a mission to disrupt the wealth management industry in France. His intention is to make Marie Quantier, the robo-advisory firm he co-founded in 2011, a mainstream tool for French investors. The Marie Quantier approach to investing starts with an assessment of current market conditions, which can be classified as …