Madison Dearborn Partners

Madison Dearborn Partners (MDP) is a direct investment firm based in Chicago, Illinois. Established in 1992, the firm invests in the healthcare, energy, financial services, media, retail, transportation, communications, insurance, mobile, e-commerce, financial technology, biotechnology, security, manufacturing, infrastructure, life sciences, entertainment, pharmaceuticals, agriculture, brokerage, and information technology sectors. The assets of the firm are managed by the board of directors.