Alphabetical Listing Select a range of letters below to view the MDP principals by last name. A–G H–P Q–Z Raino, Mathew Redman, Kenneth Ritchie, William Roberts, Ryan M. Selati, Robin P. Sherrington, Alexander Smith, Brittany A. Souleles, Thomas S. Sullivan, Timothy P. Sutphin, Paul D. Terry, Annie Tresnowski, Mark B. Volling, Jeffrey J. Zhang, Bochao Overview | Strategy | Principals | Portfolio | Expertise ©2007 Madison Dearborn Partners, LLC