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Diaz Anselmo & Associates
John-Brennock.jpg

Roy Diaz

John Brennock

Senior Associate

John primarily handles state court litigation and concentrates his practice in the areas of real estate law (transactional and litigation), estate planning and probate (decedent’s estates and guardianships), small business law, civil litigation and appeals.

He serves as an appointed member of the Illinois State Bar Association’s Standing Committee on Delivery of Legal Services (2016-present) and the Illinois State Bar Association’s Standing Committee on Judicial Evaluations – Cook County (2017-present).

He has spoken at several events, served as a competition judge for a number of past American Bar Association and Chicago Bar Association student competitions, and has previously volunteered with the Chicago Bar Association’s Juvenile Justice Mentoring Initiative and Wills for Heroes programs.

Practice Areas

  • Real Estate

  • Probate

  • Estate Planning

  • Litigation

Education

  • Western Michigan Thomas M. Cooley Law School, 2008, Juris Doctorate cum laude

  • John Carroll University, 2005, B.A. Communications

Bar Admission

  • Illinois State Bar

Memberships

  • American Bar Association

  • Chicago Bar Association

  • Illinois State Bar Association

  • DuPage County Bar Association

Headquarters:

499 NW 70th Avenue, Suite 309 

Plantation, FL 33317

Main: 954-564-0071

Fax: 954-564-9252

Mailing Address:

PO Box 19519

Fort Lauderdale, FL 33318
 

Main: 954-564-0071
Fax: 954-564-9252

Diaz Anselmo & Associates P.A.

Indiana

9465 Counselors Row, Suite 200
Indianapolis, IN 46240

Kentucky
50 East River Center Blvd., Suite 412
Covington, Kentucky 41011​

Ohio
400 Techne Center Drive, Suite 111
Milford, OH 45150

Wisconsin
342 N. Water Street, Suite 600
Milwaukee, WI 53202

Illinois
1771 West Diehl Road, Suite 120
Naperville, IL 60563


Main: 630-453-6960
Fax: 630-428-4620


Real Estate Main: 630-453-6800
Real Estate Fax: 630-428-4640

Website: diazanselmo.com

© 2025 Diaz | Anselmo Attorneys At Law

Crafted By: Finfrock Marketing

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