Madison Dearborn Partners

Chicago-based mid-cap PE firm

Growth/PE Buyout 📍 Chicago, IL Founded 1992

AUM

$30B

as of 2026-Q1

LARGE

Madison Dearborn Partners was founded in 1992 in Chicago. Mid-cap PE firm.

Firm Profile

Firm Type

Growth/PE

Subtype

Buyout

Founded

1992

Chicago, IL

Country

USA

John CanningPaul FinneganSam Mencoff

jefferson-smurfitcdw

Stages

Buyout

Sectors

Basic Industries · Communications · Consumer · Financial Services

Growth/PEMid-Cap PEChicago

Investor data reflects publicly disclosed AUM, fund sizes, and portfolio holdings as of 2026-Q1. Refreshed periodically.