John Byrnes
Executive Chairman of the Board and Presiden
Mason Wells

As of January 1, 2013, Mr. Byrnes began serving as Executive Chairman of the Board and President of the firm where he focuses on long term strategy and personnel development. He continues to serve on the investment committee of each Mason Wells Fund and actively oversees several of the portfolio investments now held by the funds, but Mr. Byrnes will no longer be initiating new investments on behalf of the firm.

Mr. Byrnes has over 30 years of private equity investing experience. In 1983 he organized the private equity arm of the Marshall & Ilsley Corporation, where for 15 years he managed four successful investment funds, making private equity and venture capital investments throughout the Midwest. In 1998 Mr. Byrnes managed the spin-out of M&I’s private equity team into Mason Wells, leading the fundraising for its first $175 million buyout fund. In 2005, the firm raised the $300 million Mason Wells Buyout Fund II. Mason Wells Buyout Fund III, a $525 million fund, closed in May 2010, is currently being invested.

Mr. Byrnes is a member of the Board of Directors of the following corporations: Dedicated Computing LLC, Paragon Development Systems, Inc., and The Oilgear Company.

Mr. Byrnes received his JD Degree from the University of Wisconsin Law School and his Bachelor’s Degree from the University of Notre Dame.