Brien J. Nagle



  • University of Notre Dame, B.S., 1971
  • University of Notre Dame Law School, J.D., 1976
  • Admitted to Illinois Bar, 1976
  • Member, Illinois Bar Association, DuPage County Bar Association


Brien Nagle graduated with a BS in accountancy from the University of Notre Dame in 1971.  He worked for Haskins & Sells, a predecessor of Deloitte and Touche, in San Francisco for two (2) years, where he received his Certified Public Accountant designation.  Brien returned to Notre Dame for law school and graduated and was admitted to the bar in Illinois in 1976.  He has spent his entire career practicing law in Naperville – initially with Nadelhoffer, Hennessy, Dommermuth and Brestal, where he became a partner in 1982, then as a founding principal with Nadelhoffer, Nagle, Kuhn, Mitchell, Moss & Saloga from 1983 to 1992, and finally with his current firm of Nagle & Higgins, PC which he founded in 1992 with Patricia Higgins, which later became Nagle Obarski PC, when Rebecca Boyd-Obarski partnered with the firm.

Brien represents over 100 businesses and has been involved with over 80 business purchases, sales or mergers.  He was formerly a director of Old Kent Bank in Illinois, a predecessor to Fifth Third Bank, and also a director of Allied First Bank, sb of Oswego, Illinois.  He is presently on the Board of Directors of  BG Products, Inc., a large manufacturing company in Wichita, Kansas.

Brien has been involved with a number of civic endeavors.  He has served on numerous not-for-profit boards and is a past President of the Naperville Jaycees, the Naperville Area Chamber of Commerce and the Millennium Carillon Foundation.  He has provided pro bono legal services in the organization of the DuPage Community Foundation, the Naperville Area Chamber Political Action Committee, the Naperville Development Partnership, the Wheatland Plow Match Association and Ecumenical Adult Day Care.  Brien has coached baseball and basketball for a number of years at various age levels and is a member of the DuPage Bar Association, the Illinois State Bar Association, the Rotary Club of Naperville, the Naperville Knights of Columbus, White Eagle Golf Club and St. Thomas the Apostle Church.  Brien resides in Naperville with his wife, Carolyn, and has three children Brennan, Kaelan and Mollee.

Practice Areas

  • Business & Commercial Law
    • Organization and Representation of Profit and Not for Profit Corporations
    • Organization and Representation of Limited Liability Companies
    • Contracts
  • Sale and Purchase of Business Transactions
  • Shareholder Agreements
  • Capital Structures
  • Stock and Merger Agreements
  • Employment Law
  • Commercial and Residential Real Estate
  • Estate Planning
  • Probate