Ernst Fehr

He is also well known for his important contributions to the new field of neuroeconomics, as well as to behavioral economics, behavioral finance and experimental economics. According to IDEAS/REPEC, he is the second-most influential German-speaking economist, and is ranked at 75th globally.
In 2010 Ernst Fehr founded, together with his brother, Gerhard Fehr, FehrAdvice & Partners, the first globally operating consultancy firm completely dedicated to behavioral economics.
In 2016, Fehr was ranked as the most influential economist in Germany, Austria, and Switzerland. Provided by Wikipedia