Nils Wilhelm Erik Penser (born August 22, 1942, in Eslöv, Skåne) is a Swedish financier and businessman. After having studied law at Lund University, Erik Penser commenced a career as a stockbroker at Bankirfirman Langenskiöld, which later became Carnegie Investment Bank. Together with Thomas Fischer he worked intensively to develop the firm’s business, laying the foundation for his private wealth.