Denis H Carroll began his business career in banking in the early 1960's as a commercial loan officer. During this time he was called upon to develop a Marketing Department for a large national bank. This led to further responsibilities in banking and eventually the chairmanship of Chicago suburban bank. In the 1970's he acquired a small manufacturing company and over the next three decades developed an industrial holding company with manufacturing in fourteen states and four foreign countries.

Denis has served directorships on both the NYSE and NASDAQ as well as privately held corporations. He has been a member of several national trade associations including the National Fluid Power Association where he served in various capacities as Treasure through Charmin of the Board

A graduate of Boston College, he has served on the board of Trustees and as a member of France Committee. Denis has been a Trustee of DePaul University in Chicago, Illinois and has Chaired in Finance Committee of the Board. His Graduate level education includes Harvard Business School, OPM program

Other civic responsibilities have included Rancheros Visitadores and the Charlie Russell Riders. He continues to pursue his life long interest in horsemanship in both Illinois and his winter home in Arizona. He is the owner of the ProEquine Group, which includes Cactus Ropes, Fast Back Ropes, Pro Equine Products, Heel-O-Matic and the Cactus Saddlery

With his continued interest in the Western Culture, he is a member of the Board Of Directors of the National Cowboy and Western Heritage Museum where he served on the Executive Committee, the Audit and Finance Committee and the Chairs the Rodeo Committee of the Board. In addition, he serves on the Board of Directors of the Working Ranch Cowboys Foundation.

An avid golfer, he enjoys his membership in the golf clubs in Lake Forest IL, Scottsdale AZ and Palm Beach FL.

In his spare time he enjoys being with his five children; Catharine, twins Patrick and Bridget, Molly and Allison, as well as his six grand children