Cortes is a managing partner of UNIFINANZ TRUST (Vaduz), founded in 1952 and licensed by the Liechtenstein financial market authority FMA wealth management company. He is also a delegate of the Board of Directors of University Finance AG, Sevelen, Switzerland. He is an advisor to the Board of LGT Capital Management and member of the Investment Committee of a private bank and a pension fund in Switzerland. Since 1989, Cortes has authored the column Regular Market Technicians in Finance & Economics, and is the author of the financial market analysis MONITOR. In addition, Cortés is member of the Board of Trustees of the European Center of Austrian Economics.