Madison Dearborn Partners, LLC - Focus: management buy-outs, growth equity financing, recapitalization and acquisition-oriented financing.


Mark B. Tresnowski

Managing Director and General Counsel


Mark Tresnowski is a Managing Director and MDP’s General Counsel. Prior to joining MDP, Mr. Tresnowski was a partner at Kirkland & Ellis LLP, a firm he had been with from 1986 through 1999 and rejoined in August 2004 after having served as Executive Vice President and General Counsel of Allegiance Telecom Inc., a nationwide competitive local exchange carrier and portfolio company of MDCPII, from 1999 through 2004. Mr. Tresnowski is on the Boards of Directors of the American Investment Council, Center for Furniture Craftsmanship and Court Theatre and on the Board of Trustees of Children’s Home + Aid.


C.P.A., B.A., University of Illinois; M.L.A., University of Chicago; J.D., University of Virginia School of Law
Tresnowski, Mark B.